Used BMW X3 for sale near Aylesbury
There are 130 used BMW X3 for sale from UK dealers within 20 miles of Aylesbury on AskCar, as of 8 November 2026. Typical asking price £22,000 (the median: half cost less, half cost more). The cheapest is £3,000. AskCar lists 3,134 used BMW X3 across the UK, from 1,223 dealerships.
The middle half of the 130 cars are priced between £17,300 and £36,500.
As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Aylesbury
75 of the 130 BMW X3 within 20 miles of Aylesbury had their price reduced in the last 14 days to 8 November 2026. Of those priced between £1,000 and £60,000, these 8 have the biggest reductions in pounds since AskCar first saw them.
- 2026 BMW X3 3.0 M50i MHT, 393 bhp, automatic, petrol, SUV, 5 doors, white. Mileage: 7,288 miles. Price: £59,995, reduced by £10,005 from £70,000 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £2,140 (3%) over the AskCar estimate of £57,855. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Tring BMW in Tring, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-d4efa35eb44a
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 1,742 miles. Price: £47,000, reduced by £8,000 from £55,000 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £2,750 (5%) under the AskCar estimate of £49,750. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-05d944ad3456
- 2026 BMW X3 2.0 20i MHT M Sport, 205 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 3,519 miles. Price: £49,500, reduced by £7,500 from £57,000 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £2,326 (4%) over the AskCar estimate of £47,174. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Luton BMW in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-bb7e0c0f2bae
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 8,281 miles. Price: £52,000, reduced by £6,000 from £58,000 since AskCar first saw it on 28 May 2026, 164 days ago. Above the going rate: £5,241 (11%) over the AskCar estimate of £46,759. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-dd46d8e9e6f2
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 1,914 miles. Price: £43,450, reduced by £4,545 from £47,995 since AskCar first saw it on 13 October 2026, 26 days ago. Good value: £6,047 (12%) under the AskCar estimate of £49,497. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-0e870eb64572
- 2025 BMW X3 2.0 30e M Sport, 295 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 14,050 miles. Price: £42,690, reduced by £4,305 from £46,995 since AskCar first saw it on 16 June 2026, 145 days ago. Fair price: £2,754 (6%) under the AskCar estimate of £45,444. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: MINI UK at Stratstone Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2025-b6b5c1b39a00
- 2019 BMW X3 3.0 30d M Sport, 261 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 41,535 miles. Price: £21,900, reduced by £4,200 from £26,100 since AskCar first saw it on 28 May 2026, 164 days ago. Good value: £3,513 (13%) under the AskCar estimate of £25,413. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 January 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-350b48c6ed9d
- 2022 BMW X3 2.0 20d MHT Xline, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 48,746 miles. Price: £25,795, reduced by £3,955 from £29,750 since AskCar first saw it on 30 June 2026, 131 days ago. Fair price: £179 (under 1%) under the AskCar estimate of £25,974. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 December 2026. Dealer: Sytner Tring BMW in Tring, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2022-f518b3017386
Cars for sale now, page 1 of 2
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 3,033 priced BMW X3 adverts on AskCar as of 8 November 2026.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2017 BMW X3 3.0 30d M Sport, automatic, diesel, SUV, 5 doors, black. Mileage: 136,000 miles. Price: £8,999, unchanged since AskCar first saw it on 30 October 2026, 9 days ago. Good value: £2,512 (21%) under the AskCar estimate of £11,511. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 September 2027. Dealer: Karhouse in Chesham, 11 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2017-19d016961a2b
- 2015 BMW X3 2.0 20d SE, 187 bhp, automatic, diesel, SUV, 5 doors, red. Mileage: 173,000 miles. Price: £4,490, reduced by £400 from £4,890 since AskCar first saw it on 11 June 2026, 150 days ago. Good value: £1,107 (19%) under the AskCar estimate of £5,597. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 January 2027. Dealer: Smart Choice Autos in Luton, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2015-4b0748a0395f
- 2018 BMW X3 3.0 30d M Sport, 261 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 26,595 miles. Price: £22,900, reduced by £3,450 from £26,350 since AskCar first saw it on 28 May 2026, 164 days ago. Good value: £4,016 (14%) under the AskCar estimate of £26,916. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 August 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-be619765d43f
- 2013 BMW X3 2.0 20d M Sport, 181 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 109,694 miles. Price: £5,499, reduced by £2,000 from £7,499 since AskCar first saw it on 22 June 2026, 139 days ago. Good value: £957 (14%) under the AskCar estimate of £6,456. Euro 5 emissions standard. MOT: valid until 1 January 2027. Dealer: G1 Car Supermarket in Leighton Buzzard, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2013-147b0679c27f
- 2021 BMW X3 2.0 30e M Sport, 288 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 53,890 miles. Price: £21,995, reduced by £1,000 from £22,995 since AskCar first saw it on 18 October 2026, 21 days ago. Good value: £3,702 (14%) under the AskCar estimate of £25,697. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 July 2027. Dealer: S.M.T Automotive in Marsworth, 6 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-6bca53d8d277
- 2019 BMW X3 3.0 30d M Sport, 261 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 41,535 miles. Price: £21,900, reduced by £4,200 from £26,100 since AskCar first saw it on 28 May 2026, 164 days ago. Good value: £3,513 (13%) under the AskCar estimate of £25,413. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 January 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-350b48c6ed9d
- 2021 BMW X3 2.0 30e M Sport, 288 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, silver. Mileage: 93,490 miles. Price: £17,000, reduced by £961 from £17,961 since AskCar first saw it on 28 May 2026, 164 days ago. Good value: £2,605 (13%) under the AskCar estimate of £19,605. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 April 2027. Dealer: Quality Part X Dunstable in Dunstable, 13 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-7b404ff8ea0b
- 2013 BMW X3 2.0 M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, red. Mileage: 51,000 miles. Price: £8,999, unchanged since AskCar first saw it on 1 July 2026, 130 days ago. Good value: £1,297 (12%) under the AskCar estimate of £10,296. MOT: valid until 14 May 2027. Dealer: Karhouse in Chesham, 11 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2013-860e24d67bad
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 1,914 miles. Price: £43,450, reduced by £4,545 from £47,995 since AskCar first saw it on 13 October 2026, 26 days ago. Good value: £6,047 (12%) under the AskCar estimate of £49,497. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-0e870eb64572
- 2018 BMW X3 2.0 20i SE, 181 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 33,709 miles. Price: £17,300, reduced by £3,150 from £20,450 since AskCar first saw it on 21 July 2026, 110 days ago. Good value: £2,360 (12%) under the AskCar estimate of £19,660. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 February 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5686761d05b6
- 2014 BMW X3 2.0 20d SE, 181 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 129,860 miles. Price: £4,575, reduced by £750 from £5,325 since AskCar first saw it on 1 June 2026, 160 days ago. Good value: £558 (10%) under the AskCar estimate of £5,133. Euro 5 emissions standard. MOT: the latest record we hold ran out on 2 August 2026; ask the dealer for the current MOT. Dealer: Sundon Autos in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2014-48d573901a3b
- 2019 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 45,959 miles. Price: £19,950, reduced by £1,200 from £21,150 since AskCar first saw it on 29 September 2026, 40 days ago. Good value: £2,302 (10%) under the AskCar estimate of £22,252. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 4 October 2026; ask the dealer for the current MOT. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-9ea555f3d9c6
- 2019 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 48,467 miles. Price: £19,700, reduced by £1,850 from £21,550 since AskCar first saw it on 28 May 2026, 164 days ago. Good value: £2,255 (10%) under the AskCar estimate of £21,955. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 October 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-57e6d8f69468
- 2020 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 53,293 miles. Price: £21,250, reduced by £1,150 from £22,400 since AskCar first saw it on 16 September 2026, 53 days ago. Good value: £2,377 (10%) under the AskCar estimate of £23,627. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 September 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-628fcf27e3c4
- 2014 BMW X3 3.0 35d M Sport, 308 bhp, automatic, diesel, estate, 5 doors, silver. Mileage: 91,084 miles. Price: £9,920, reduced by £2,740 from £12,660 since AskCar first saw it on 28 May 2026, 164 days ago. Good value: £1,096 (9%) under the AskCar estimate of £11,016. MOT: valid until 5 February 2027. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2014-5ca622deb773
- 2017 BMW X3 3.0 35d M Sport, 309 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 84,253 miles. Price: £13,100, reduced by £550 from £13,650 since AskCar first saw it on 3 October 2026, 36 days ago. Good value: £1,299 (9%) under the AskCar estimate of £14,399. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 September 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2017-0e19d1603349
- 2018 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 25,937 miles. Price: £21,500, reduced by £2,500 from £24,000 since AskCar first saw it on 16 September 2026, 53 days ago. Good value: £2,119 (8%) under the AskCar estimate of £23,619. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 July 2027. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6c54dad3518c
- 2019 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 52,413 miles. Price: £19,600, reduced by £1,150 from £20,750 since AskCar first saw it on 3 October 2026, 36 days ago. Good value: £1,894 (8%) under the AskCar estimate of £21,494. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 March 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-576b4e63c872
- 2019 BMW X3 3.0 30d M Sport, 261 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 61,138 miles. Price: £20,850, reduced by £550 from £21,400 since AskCar first saw it on 3 October 2026, 36 days ago. Good value: £1,978 (8%) under the AskCar estimate of £22,828. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 June 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-9206c92e33ea
- 2020 BMW X3 3.0 30d M Sport, 261 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 60,089 miles. Price: £22,990, unchanged since AskCar first saw it on 19 October 2026, 20 days ago. Good value: £2,008 (8%) under the AskCar estimate of £24,998. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 November 2026. Dealer: Cars in MK in Milton Keynes, 13 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-3914ac802c98
- 2021 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, silver. Mileage: 63,090 miles. Price: £21,150, reduced by £2,700 from £23,850 since AskCar first saw it on 20 July 2026, 111 days ago. Good value: £1,846 (8%) under the AskCar estimate of £22,996. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 February 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-23d0903df2a0
- 2020 BMW X3 2.0 30e M Sport, 288 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 54,504 miles. Price: £20,850, reduced by £600 from £21,450 since AskCar first saw it on 15 October 2026, 24 days ago. Fair price: £1,799 (7%) under the AskCar estimate of £22,649. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 September 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-3b92b20ba245
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 1,660 miles. Price: £45,998, reduced by £997 from £46,995 since AskCar first saw it on 13 October 2026, 26 days ago. Fair price: £3,873 (7%) under the AskCar estimate of £49,871. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-6c7aab36b988
- 2022 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 18,500 miles. Price: £29,950, reduced by £3,050 from £33,000 since AskCar first saw it on 21 August 2026, 79 days ago. Fair price: £2,386 (7%) under the AskCar estimate of £32,336. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 21 October 2026; ask the dealer for the current MOT. Dealer: Sytner Luton BMW in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2022-4d696dfb2694
- 2021 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 85,302 miles. Price: £18,200, reduced by £1,550 from £19,750 since AskCar first saw it on 5 September 2026, 64 days ago. Fair price: £1,441 (7%) under the AskCar estimate of £19,641. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 April 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c82fb953279d
- 2024 BMW X3 3.0 M40i MHT, 355 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 13,350 miles. Price: £45,500, reduced by £477 from £45,977 since AskCar first saw it on 9 October 2026, 30 days ago. Fair price: £3,483 (7%) under the AskCar estimate of £48,983. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 October 2027. Dealer: Your Best Car (Bucks) in High Wycombe, 18 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2024-4b96970a02be
- 2026 BMW X3 2.0 30e M Sport, 294 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 6,488 miles. Price: £45,900, reduced by £3,100 from £49,000 since AskCar first saw it on 5 September 2026, 64 days ago. Fair price: £3,295 (6%) under the AskCar estimate of £49,195. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Luton BMW in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-fe741384316d
- 2018 BMW X3 2.0 20i M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 53,479 miles. Price: £18,794, reduced by £2,195 from £20,989 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £1,342 (6%) under the AskCar estimate of £20,136. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 May 2027. Dealer: FTR Performance in Tring, 13 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f250c3f29095
- 2024 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 10,994 miles. Price: £36,495, reduced by £2,505 from £39,000 since AskCar first saw it on 23 August 2026, 77 days ago. Fair price: £2,581 (6%) under the AskCar estimate of £39,076. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Tring BMW in Tring, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2024-af56baeab3d1
- 2013 BMW X3 2.0 20d M Sport, 181 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 110,720 miles. Price: £5,999, reduced by £981 from £6,980 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £413 (6%) under the AskCar estimate of £6,412. Euro 5 emissions standard. MOT: valid until 27 February 2027. Dealer: Smart Choice Autos in Luton, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2013-8c860224105f
- 2018 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 54,013 miles. Price: £18,999, reduced by £3,241 from £22,240 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £1,277 (6%) under the AskCar estimate of £20,276. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 30 July 2026; ask the dealer for the current MOT. Dealer: Wheatley Car Centre in Wheatley, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-96179054691e
- 2025 BMW X3 2.0 30e M Sport, 295 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 14,050 miles. Price: £42,690, reduced by £4,305 from £46,995 since AskCar first saw it on 16 June 2026, 145 days ago. Fair price: £2,754 (6%) under the AskCar estimate of £45,444. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: MINI UK at Stratstone Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2025-b6b5c1b39a00
- 2018 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 28,369 miles. Price: £22,000, reduced by £2,500 from £24,500 since AskCar first saw it on 4 September 2026, 65 days ago. Fair price: £1,375 (5%) under the AskCar estimate of £23,375. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 May 2027. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-65267e41dc33
- 2024 BMW X3 2.0 30e M Sport, 288 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 17,761 miles. Price: £34,000, reduced by £4,950 from £38,950 since AskCar first saw it on 25 June 2026, 136 days ago. Fair price: £2,123 (5%) under the AskCar estimate of £36,123. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2024-2218dbbd095b
- 2016 BMW X3 2.0 20d SE, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 70,771 miles. Price: £10,100, reduced by £600 from £10,700 since AskCar first saw it on 9 October 2026, 30 days ago. Fair price: £626 (5%) under the AskCar estimate of £10,726. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 June 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2016-ad423bd0b3c3
- 2024 BMW X3 2.0 20i MHT M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 19,107 miles. Price: £34,995, reduced by £505 from £35,500 since AskCar first saw it on 13 October 2026, 26 days ago. Fair price: £2,049 (5%) under the AskCar estimate of £37,044. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Tring BMW in Tring, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2024-f5559f990805
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 1,742 miles. Price: £47,000, reduced by £8,000 from £55,000 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £2,750 (5%) under the AskCar estimate of £49,750. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-05d944ad3456
- 2019 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 45,551 miles. Price: £21,100, reduced by £300 from £21,400 since AskCar first saw it on 17 October 2026, 22 days ago. Fair price: £1,201 (5%) under the AskCar estimate of £22,301. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 June 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-69d03f9b53c9
- 2021 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 30,844 miles. Price: £26,101, reduced by £2,695 from £28,796 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £1,390 (5%) under the AskCar estimate of £27,491. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 April 2027. Dealer: Quality Part X Dunstable in Dunstable, 13 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-52bd90793c3b
- 2023 BMW X3 3.0 30d MHT M Sport, 282 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 23,657 miles. Price: £38,000, unchanged since AskCar first saw it on 22 October 2026, 17 days ago. Fair price: £1,961 (4%) under the AskCar estimate of £39,961. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 31 March 2027. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-0c54feb4a22b
- 2018 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 44,541 miles. Price: £20,295, reduced by £1,100 from £21,395 since AskCar first saw it on 29 August 2026, 71 days ago. Fair price: £1,039 (4%) under the AskCar estimate of £21,334. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 February 2027. Dealer: Tenby Car Supermarket in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5be0cfe4085f
- 2019 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 37,941 miles. Price: £22,100, unchanged since AskCar first saw it on 29 October 2026, 10 days ago. Fair price: £1,132 (4%) under the AskCar estimate of £23,232. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 January 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-d303e5dae4b6
- 2016 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 79,115 miles. Price: £11,750, reduced by £700 from £12,450 since AskCar first saw it on 2 October 2026, 37 days ago. Fair price: £599 (4%) under the AskCar estimate of £12,349. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 December 2026. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2016-24fc49f02442
- 2020 BMW X3 2.0 20i M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, silver. Mileage: 74,141 miles. Price: £19,500, reduced by £2,000 from £21,500 since AskCar first saw it on 2 September 2026, 67 days ago. Fair price: £969 (4%) under the AskCar estimate of £20,469. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 January 2027. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-b5a36dd8305e
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 2,413 miles. Price: £46,495, reduced by £2,455 from £48,950 since AskCar first saw it on 13 October 2026, 26 days ago. Fair price: £2,275 (4%) under the AskCar estimate of £48,770. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-4edb427dc313
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 2,140 miles. Price: £46,995, unchanged since AskCar first saw it on 13 October 2026, 26 days ago. Fair price: £2,171 (4%) under the AskCar estimate of £49,166. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-25d05ec32b67
- 2023 BMW X3 2.0 20i MHT M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 23,848 miles. Price: £33,000, unchanged since AskCar first saw it on 31 October 2026, 8 days ago. Fair price: £1,507 (4%) under the AskCar estimate of £34,507. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 April 2027. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-e6710834465b
- 2016 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 40,200 miles. Price: £15,050, reduced by £1,350 from £16,400 since AskCar first saw it on 1 October 2026, 38 days ago. Fair price: £682 (4%) under the AskCar estimate of £15,732. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 31 December 2026. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2016-6bf09c05f3f5
- 2019 BMW X3 3.0 30d M Sport, 261 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 79,310 miles. Price: £19,199, reduced by £501 from £19,700 since AskCar first saw it on 17 September 2026, 52 days ago. Fair price: £866 (4%) under the AskCar estimate of £20,065. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 February 2027. Dealer: Marshall Motor Group Oxford Audi in Oxford, 18 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-d3f895d5c336
- 2025 BMW X3 2.0 30e M Sport, 295 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 13,623 miles. Price: £43,735, reduced by £2,760 from £46,495 since AskCar first saw it on 31 July 2026, 100 days ago. Fair price: £1,791 (3%) under the AskCar estimate of £45,526. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2025-197e50b65490
- 2023 BMW X3 3.0 M40i MHT, 355 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 34,200 miles. Price: £41,790, reduced by £1,700 from £43,490 since AskCar first saw it on 12 September 2026, 57 days ago. Fair price: £1,568 (3%) under the AskCar estimate of £43,358. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 June 2027. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-8b1022e36fca
- 2019 BMW X3 2.0 20d Xline, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 49,709 miles. Price: £18,700, reduced by £600 from £19,300 since AskCar first saw it on 14 October 2026, 25 days ago. Fair price: £699 (3%) under the AskCar estimate of £19,399. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 31 May 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-2c630528bf62
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 3,640 miles. Price: £46,685, reduced by £965 from £47,650 since AskCar first saw it on 19 September 2026, 50 days ago. Fair price: £1,726 (3%) under the AskCar estimate of £48,411. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-e1a2b8dd0618
- 2021 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 85,245 miles. Price: £18,950, reduced by £1,300 from £20,250 since AskCar first saw it on 22 September 2026, 47 days ago. Fair price: £699 (3%) under the AskCar estimate of £19,649. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 June 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-4a99aa1f934e
- 2019 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 51,772 miles. Price: £20,590, reduced by £400 from £20,990 since AskCar first saw it on 24 September 2026, 45 days ago. Fair price: £683 (3%) under the AskCar estimate of £21,273. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 June 2027. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-47a13c89cee4
- 2018 BMW X3 2.0 20d Xline, 187 bhp, automatic, diesel, SUV, 5 doors, silver. Mileage: 33,995 miles. Price: £20,890, reduced by £1,005 from £21,895 since AskCar first saw it on 20 October 2026, 19 days ago. Fair price: £643 (2%) under the AskCar estimate of £21,533. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 November 2026. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-d95a4def6d12
- 2021 BMW X3 2.0 30e M Sport, 288 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 84,918 miles. Price: £20,251, reduced by £2,145 from £22,396 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £584 (2%) under the AskCar estimate of £20,835. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 17 October 2026; ask the dealer for the current MOT. Dealer: Quality Part X Dunstable in Dunstable, 13 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-2812bdb02c64
- 2023 BMW X3 3.0 30d MHT M Sport, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 44,355 miles. Price: £35,000, unchanged since AskCar first saw it on 30 October 2026, 9 days ago. Fair price: £1,009 (2%) under the AskCar estimate of £36,009. Euro 6 emissions standard. ULEZ compliant. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-2b63cfdc8e44
- 2019 BMW X3 2.0 20i M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 67,642 miles. Price: £18,831, reduced by £2,319 from £21,150 since AskCar first saw it on 30 May 2026, 162 days ago. Fair price: £476 (2%) under the AskCar estimate of £19,307. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 November 2026. Dealer: Quality Part X Dunstable in Dunstable, 13 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-12c0b5d30890
- 2019 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 77,421 miles. Price: £17,800, unchanged since AskCar first saw it on 1 November 2026, 7 days ago. Fair price: £435 (2%) under the AskCar estimate of £18,235. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 May 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-6c4dd6a4b72d
- 2015 BMW X3 2.0 20d SE, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 102,371 miles. Price: £7,891, unchanged since AskCar first saw it on 5 November 2026, 3 days ago. Fair price: £182 (2%) under the AskCar estimate of £8,073. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 February 2027. Dealer: House of Brage in Oxford, 12 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2015-31c6d6812239
- 2025 BMW X3 2.0 20i MHT M Sport, 205 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 6,871 miles. Price: £43,490, reduced by £1,510 from £45,000 since AskCar first saw it on 26 August 2026, 74 days ago. Fair price: £794 (1%) under the AskCar estimate of £44,284. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Luton BMW in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2025-201be705f758
- 2023 BMW X3 3.0 30d MHT M Sport, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 31,065 miles. Price: £37,990, reduced by £1,260 from £39,250 since AskCar first saw it on 20 September 2026, 49 days ago. Fair price: £683 (1%) under the AskCar estimate of £38,673. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 June 2027. Dealer: Sytner Luton BMW in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-0ac27bb4f5ba
- 2024 BMW X3 2.0 20i MHT M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, white. Mileage: 28,263 miles. Price: £35,000, unchanged since AskCar first saw it on 6 November 2026, 2 days ago. Fair price: £625 (1%) under the AskCar estimate of £35,625. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Tring BMW in Tring, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2024-c1948bc02895
- 2011 BMW X3 3.0 35d M Sport, 309 bhp, automatic, diesel, SUV, 5 doors, silver. Mileage: 99,130 miles. Price: £7,999, raised by £4 from £7,995 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £141 (1%) under the AskCar estimate of £8,140. Euro 5 emissions standard. MOT: valid until 11 March 2027. Dealer: Halton Cars in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2011-09033a406f01
- 2021 BMW X3 2.0 30e M Sport, 288 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 63,767 miles. Price: £23,800, reduced by £300 from £24,100 since AskCar first saw it on 23 October 2026, 16 days ago. Fair price: £411 (1%) under the AskCar estimate of £24,211. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 September 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-ac1706fc794f
- 2018 BMW X3 2.0 20d Xline, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 106,776 miles. Price: £12,611, reduced by £388 from £12,999 since AskCar first saw it on 30 August 2026, 70 days ago. Fair price: £205 (1%) under the AskCar estimate of £12,816. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 February 2027. Dealer: Wiz Motors in Luton, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-440eb52d236a
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 2,451 miles. Price: £47,995, unchanged since AskCar first saw it on 13 October 2026, 26 days ago. Fair price: £720 (1%) under the AskCar estimate of £48,715. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-ae5d4492a0af
- 2025 BMW X3 3.0 M50i MHT, 393 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 19,241 miles. Price: £51,090, reduced by £3,400 from £54,490 since AskCar first saw it on 6 October 2026, 33 days ago. Fair price: £712 (1%) under the AskCar estimate of £51,802. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2025-9b8775c092f3
- 2019 BMW X3 2.0 20i Xline, 181 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 28,812 miles. Price: £21,995, reduced by £1,005 from £23,000 since AskCar first saw it on 25 September 2026, 44 days ago. Fair price: £302 (1%) under the AskCar estimate of £22,297. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 June 2027. Dealer: MINI UK at Sytner Tring in Tring, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-ddcc1702e78a
- 2021 BMW X3 2.0 20i M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 40,828 miles. Price: £25,499, unchanged since AskCar first saw it on 6 November 2026, 2 days ago. Fair price: £262 (1%) under the AskCar estimate of £25,761. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 September 2027. Dealer: N.m.j. Motorhouse in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-29600fc3aa5c
- 2024 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 21,481 miles. Price: £37,000, reduced by £1,000 from £38,000 since AskCar first saw it on 13 October 2026, 26 days ago. Fair price: £366 (under 1%) under the AskCar estimate of £37,366. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Tring BMW in Tring, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2024-41cd5a9dacf7
- 2022 BMW X3 2.0 20d MHT Xline, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 48,746 miles. Price: £25,795, reduced by £3,955 from £29,750 since AskCar first saw it on 30 June 2026, 131 days ago. Fair price: £179 (under 1%) under the AskCar estimate of £25,974. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 December 2026. Dealer: Sytner Tring BMW in Tring, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2022-f518b3017386
- 2019 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 63,514 miles. Price: £19,991, reduced by £300 from £20,291 since AskCar first saw it on 30 October 2026, 9 days ago. Fair price: £137 (under 1%) under the AskCar estimate of £20,128. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 December 2026. Dealer: House of Brage in Oxford, 12 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-e03ac4d07e71
- 2023 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 23,086 miles. Price: £34,430, reduced by £1,068 from £35,498 since AskCar first saw it on 4 October 2026, 35 days ago. Fair price: £151 (under 1%) under the AskCar estimate of £34,581. Euro 6 emissions standard. ULEZ compliant. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-d0fbee1a4c16
- 2014 BMW X3 3.0 30d SE, 254 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 104,000 miles. Price: £7,990, unchanged since AskCar first saw it on 7 October 2026, 32 days ago. Fair price: £27 (under 1%) under the AskCar estimate of £8,017. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 November 2026. Dealer: German Technik in Rickmansworth, 19 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2014-6f49cb47aed2
- 2019 BMW X3 2.0 20i M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 42,731 miles. Price: £22,750, reduced by £2,250 from £25,000 since AskCar first saw it on 30 May 2026, 162 days ago. Fair price: £74 (under 1%) under the AskCar estimate of £22,824. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 June 2027. Dealer: Sytner Luton BMW in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-b11af0aae195
- 2021 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 70,616 miles. Price: £21,750, reduced by £3,750 from £25,500 since AskCar first saw it on 11 July 2026, 120 days ago. Fair price: £50 (under 1%) under the AskCar estimate of £21,800. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 July 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-9aa4ae5e808a
- 2024 BMW X3 2.0 20d M Sport, automatic, diesel, SUV, 5 doors, grey. Mileage: 20,144 miles. Price: £35,980, reduced by £1,000 from £36,980 since AskCar first saw it on 29 October 2026, 10 days ago. Fair price: £72 (under 1%) under the AskCar estimate of £36,052. MOT: first test not yet due. Dealer: Green 4 Motor Company in Luton, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2024-685a4a48a300
- 2017 BMW X3 3.0 35d M Sport, 309 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 58,333 miles. Price: £17,250, unchanged since AskCar first saw it on 28 October 2026, 11 days ago. Fair price: £8 (under 1%) under the AskCar estimate of £17,258. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 31 July 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2017-0f56e2d10870
- 2018 BMW X3 2.0 Xline, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 94,100 miles. Price: £13,247, reduced by £1,003 from £14,250 since AskCar first saw it on 29 August 2026, 71 days ago. Fair price: £11 (under 1%) over the AskCar estimate of £13,236. MOT: valid until 15 August 2027. Dealer: Car Kultur in Aston Sandford, 6 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-817c9e8878ad
- 2018 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 61,158 miles. Price: £19,495, reduced by £1,500 from £20,995 since AskCar first saw it on 28 June 2026, 133 days ago. Fair price: £21 (under 1%) over the AskCar estimate of £19,474. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 January 2027. Dealer: Tenby Car Supermarket in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-40b1c567c12c
- 2018 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 58,200 miles. Price: £19,990, reduced by £500 from £20,490 since AskCar first saw it on 23 October 2026, 16 days ago. Fair price: £40 (under 1%) over the AskCar estimate of £19,950. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 September 2027. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-40549d4d0f93
- 2021 BMW X3 2.0 20i M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, white. Mileage: 36,643 miles. Price: £27,495, reduced by £505 from £28,000 since AskCar first saw it on 1 September 2026, 68 days ago. Fair price: £68 (under 1%) over the AskCar estimate of £27,427. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 December 2026. Dealer: Sytner Tring BMW in Tring, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-571d65733c5a
- 2023 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 61,890 miles. Price: £27,990, reduced by £1,005 from £28,995 since AskCar first saw it on 21 October 2026, 18 days ago. Fair price: £71 (under 1%) over the AskCar estimate of £27,919. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 August 2027. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-7d1c56bbfc27
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 371 miles. Price: £51,950, raised by £8,658 from £43,292 since AskCar first saw it on 3 October 2026, 36 days ago. Fair price: £135 (under 1%) over the AskCar estimate of £51,815. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Luton BMW in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-abaa0cb8f5b7
- 2019 BMW X3 3.0 M40d, 322 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 55,000 miles. Price: £28,495, reduced by £1,500 from £29,995 since AskCar first saw it on 18 August 2026, 82 days ago. Fair price: £116 (under 1%) over the AskCar estimate of £28,379. Euro 6 emissions standard. ULEZ compliant. Dealer: HS Platinum in Maidenhead, 18 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-2b078f1a7b17
- 2019 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 42,156 miles. Price: £22,495, reduced by £1,505 from £24,000 since AskCar first saw it on 30 September 2026, 39 days ago. Fair price: £95 (under 1%) over the AskCar estimate of £22,400. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 January 2027. Dealer: Sytner Tring BMW in Tring, 9 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-49e800d5e4d9
- 2023 BMW X3 2.0 20i MHT M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, white. Mileage: 12,091 miles. Price: £36,500, reduced by £3,500 from £40,000 since AskCar first saw it on 23 September 2026, 46 days ago. Fair price: £218 (under 1%) over the AskCar estimate of £36,282. Euro 6 emissions standard. ULEZ compliant. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-ac81218cfa6f
- 2019 BMW X3 2.0 20i M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 7,800 miles. Price: £26,850, reduced by £1,725 from £28,575 since AskCar first saw it on 2 July 2026, 129 days ago. Fair price: £258 (under 1%) over the AskCar estimate of £26,592. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 16 August 2026; ask the dealer for the current MOT. Dealer: Kallenhard in Leighton Buzzard, 7 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-95077251f417
- 2022 BMW X3 3.0 M40i MHT, 354 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 46,547 miles. Price: £39,000, reduced by £2,500 from £41,500 since AskCar first saw it on 2 September 2026, 67 days ago. Fair price: £592 (1%) over the AskCar estimate of £38,408. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 August 2027. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2022-e162b6918714
- 2022 BMW X3 3.0 30d MHT M Sport, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 39,245 miles. Price: £36,000, reduced by £1,000 from £37,000 since AskCar first saw it on 25 October 2026, 14 days ago. Fair price: £730 (2%) over the AskCar estimate of £35,270. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 April 2027. Dealer: Sytner High Wycombe BMW in High Wycombe, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2022-5ac0482786a0
- 2024 BMW X3 2.0 20i MHT M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 18,000 miles. Price: £37,990, reduced by £1,900 from £39,890 since AskCar first saw it on 3 October 2026, 36 days ago. Fair price: £771 (2%) over the AskCar estimate of £37,219. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2024-7a0eeca7ff54
- 2014 BMW X3 3.0 30d M Sport, 254 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 98,600 miles. Price: £10,284, reduced by £1,000 from £11,284 since AskCar first saw it on 16 September 2026, 53 days ago. Fair price: £228 (2%) over the AskCar estimate of £10,056. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 31 March 2027. Dealer: K W Motors in St Albans, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2014-52e4b739f778
- 2020 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 95,000 miles. Price: £18,200, reduced by £300 from £18,500 since AskCar first saw it on 22 October 2026, 17 days ago. Fair price: £424 (2%) over the AskCar estimate of £17,776. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 July 2027. Dealer: Car Planet Watford in Watford, 20 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-29105905dd1c
- 2019 BMW X3 2.0, automatic, diesel, SUV, 5 doors, white. Mileage: 44,972 miles. Price: £22,190, reduced by £199 from £22,389 since AskCar first saw it on 31 October 2026, 8 days ago. Fair price: £547 (2%) over the AskCar estimate of £21,643. MOT: valid until 15 March 2027. Dealer: Highfield Motors Wheatley Car Centre in Kidlington, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-8dfcca629e85
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 1,500 miles. Price: £51,500, unchanged since AskCar first saw it on 19 September 2026, 50 days ago. Fair price: £1,392 (2%) over the AskCar estimate of £50,108. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Luton BMW in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-6c7ccea565d6
- 2024 BMW X3 3.0 M40i MHT, 355 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 25,100 miles. Price: £47,995, unchanged since AskCar first saw it on 4 October 2026, 35 days ago. Fair price: £1,407 (3%) over the AskCar estimate of £46,588. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: High Spec Cars in Kings Langley, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2024-df9d8eff892f
- 2021 BMW X3 3.0, automatic, diesel, SUV, 5 doors, grey. Mileage: 41,697 miles. Price: £36,490, reduced by £1,760 from £38,250 since AskCar first saw it on 24 August 2026, 76 days ago. Fair price: £1,177 (3%) over the AskCar estimate of £35,313. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 December 2026. Dealer: Sytner Luton BMW in Luton, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-3757026d3c10
- 2015 BMW X3 2.0 20d Xline, 187 bhp, manual, diesel, SUV, 5 doors, grey. Mileage: 71,000 miles. Price: £8,990, reduced by £1,000 from £9,990 since AskCar first saw it on 4 June 2026, 157 days ago. Fair price: £307 (3%) over the AskCar estimate of £8,683. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 7 June 2027. Dealer: Prestigio Cars in Bedford, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2015-fca901680644
BMW X3 across the UK by price
- Under £5,000 (54 cars)
- Under £8,000 (165 cars)
- Under £10,000 (260 cars)
- Under £15,000 (507 cars)
- Under £20,000 (916 cars)
- Under £30,000 (1,657 cars)
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