Used BMW X4 for sale near Milton Keynes
There are 25 used BMW X4 for sale from UK dealers within 20 miles of Milton Keynes on AskCar, as of 8 November 2026. Typical asking price £26,000 (the median: half cost less, half cost more). The cheapest is £7,998. AskCar lists 662 used BMW X4 across the UK, from 466 dealerships.
The middle half of the 25 cars are priced between £17,400 and £33,500.
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 Milton Keynes
10 of the 25 BMW X4 within 20 miles of Milton Keynes had their price reduced in the last 14 days to 8 November 2026. Each one's line in the list below says by how much.
Cars for sale now
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 647 priced BMW X4 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.
- 2020 BMW X4 3.0 M40i, automatic, petrol, SUV, 5 doors, grey. Mileage: 10,000 miles. Price: £28,995, unchanged since AskCar first saw it on 15 October 2026, 24 days ago. Good value: £5,941 (17%) under the AskCar estimate of £34,936. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 March 2027. Dealer: Northampton Car Company in Northampton, 12 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2020-72c845468528
- 2015 BMW X4 3.0 30d M Sport, 254 bhp, automatic, diesel, SUV, 5 doors, red. Mileage: 126,900 miles. Price: £7,998, reduced by £1,001 from £8,999 since AskCar first saw it on 30 May 2026, 162 days ago. Good value: £1,584 (16%) under the AskCar estimate of £9,582. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 November 2026. Dealer: Smart Choice Autos in Luton, 17 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2015-9ca7f88bf61e
- 2020 BMW X4 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 25,000 miles. Price: £25,990, unchanged since AskCar first saw it on 6 November 2026, 2 days ago. Fair price: £2,259 (8%) under the AskCar estimate of £28,249. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 August 2027. Dealer: Park Road Garage in Bedford, 12 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2020-daef8f0f9276
- 2015 BMW X4 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, silver. Mileage: 127,000 miles. Price: £8,495, reduced by £1,000 from £9,495 since AskCar first saw it on 27 August 2026, 73 days ago. Fair price: £643 (7%) under the AskCar estimate of £9,138. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 July 2027. Dealer: Hampton Car Sales in Milton Malsor, 13 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2015-b5d0cb1362f6
- 2020 BMW X4 2.0 Sport, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 93,000 miles. Price: £16,895, unchanged since AskCar first saw it on 19 August 2026, 81 days ago. Fair price: £848 (4%) under the AskCar estimate of £17,743. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 November 2026. Dealer: Raymond Smith Garages in Bedford, 19 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2020-2522942b79d2
- 2024 BMW X4 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 22,017 miles. Price: £35,950, reduced by £4,000 from £39,950 since AskCar first saw it on 25 August 2026, 75 days ago. Fair price: £1,717 (4%) under the AskCar estimate of £37,667. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Wollaston BMW in Wollaston, 14 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2024-1532bc61bba5
- 2018 BMW X4 3.0 35d M Sport, 308 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 89,000 miles. Price: £17,450, unchanged since AskCar first saw it on 18 October 2026, 21 days ago. Fair price: £702 (3%) under the AskCar estimate of £18,152. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers Honda Northampton in Northampton, 14 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-cd24f1e12cf8
- 2022 BMW X4 3.0 M40d MHT, 335 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 34,391 miles. Price: £36,880, reduced by £3,910 from £40,790 since AskCar first saw it on 28 August 2026, 72 days ago. Fair price: £1,455 (3%) under the AskCar estimate of £38,335. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 May 2027. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 2 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2022-2414bae08bc2
- 2015 BMW X4 3.0 30d M Sport, 254 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 93,015 miles. Price: £11,500, reduced by £500 from £12,000 since AskCar first saw it on 9 October 2026, 30 days ago. Fair price: £423 (3%) under the AskCar estimate of £11,923. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 August 2027. Dealer: Global Autos MK in Milton Keynes, 3 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2015-336995c12386
- 2024 BMW X4 3.0 M40i MHT, 355 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 17,687 miles. Price: £46,000, reduced by £7,850 from £53,850 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £1,237 (2%) under the AskCar estimate of £47,237. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Luton BMW in Luton, 16 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2024-1f8a8240c8cb
- 2023 BMW X4 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 9,563 miles. Price: £36,990, reduced by £1,010 from £38,000 since AskCar first saw it on 5 September 2026, 64 days ago. Fair price: £852 (2%) under the AskCar estimate of £37,842. Euro 6 emissions standard. ULEZ compliant. Dealer: Sytner Luton BMW in Luton, 16 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2023-db087645fbfa
- 2017 BMW X4 3.0 30d M Sport, 254 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 47,000 miles. Price: £17,790, unchanged since AskCar first saw it on 5 August 2026, 95 days ago. Fair price: £103 (under 1%) under the AskCar estimate of £17,893. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 29 June 2026; ask the dealer for the current MOT. Dealer: Bedford Car Centres in Bedford, 14 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2017-4c9b00d4e36c
- 2019 BMW X4 3.0 M40i, automatic, petrol, SUV, 5 doors, grey. Mileage: 49,016 miles. Price: £28,580, reduced by £2,415 from £30,995 since AskCar first saw it on 11 August 2026, 89 days ago. Fair price: £8 (under 1%) under the AskCar estimate of £28,588. 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: Stratstone BMW Milton Keynes in Milton Keynes, 2 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2019-f80182ac498c
- 2016 BMW X4 3.0 30d M Sport, 254 bhp, automatic, diesel, SUV, 5 doors, silver. Mileage: 90,326 miles. Price: £12,990, reduced by £900 from £13,890 since AskCar first saw it on 23 August 2026, 77 days ago. Fair price: £43 (under 1%) over the AskCar estimate of £12,947. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 February 2027. Dealer: Kennington Car Sales in Bletchley, 4 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2016-3e87acd55e7a
- 2019 BMW X4 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 83,000 miles. Price: £18,895, unchanged since AskCar first saw it on 15 October 2026, 24 days ago. Fair price: £274 (1%) over the AskCar estimate of £18,621. Euro 6 emissions standard. ULEZ compliant. Dealer: M&A Car Shop in Wellingborough, 19 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2019-4e415f458b00
- 2021 BMW X4 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 30,919 miles. Price: £30,995, unchanged since AskCar first saw it on 27 October 2026, 12 days ago. Fair price: £840 (2%) over the AskCar estimate of £30,155. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 February 2027. Dealer: NSA Motor Vehicles in Milton Keynes, 3 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-f053c6027b4e
- 2019 BMW X4 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 89,349 miles. Price: £18,495, unchanged since AskCar first saw it on 6 November 2026, 2 days ago. Fair price: £669 (3%) over the AskCar estimate of £17,826. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 April 2027. Dealer: Tenby Car Supermarket in Luton, 14 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2019-8e31c7744c1f
- 2024 BMW X4 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 27,492 miles. Price: £38,293, reduced by £1,700 from £39,993 since AskCar first saw it on 3 October 2026, 36 days ago. Fair price: £1,448 (3%) over the AskCar estimate of £36,845. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Group 1 Bedford BMW in Bedford, 16 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2024-4598f0b2b87a
- 2016 BMW X4 3.0 30d M Sport, 254 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 110,063 miles. Price: £11,995, reduced by £500 from £12,495 since AskCar first saw it on 19 August 2026, 81 days ago. Fair price: £629 (5%) over the AskCar estimate of £11,366. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 August 2027. Dealer: Elect Automotive in Leighton Buzzard, 9 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2016-bef8b0b7d91f
- 2019 BMW X4 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 95,925 miles. Price: £17,995, reduced by £1,000 from £18,995 since AskCar first saw it on 2 September 2026, 67 days ago. Fair price: £956 (5%) over the AskCar estimate of £17,039. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 July 2027. Dealer: Hampton Car Sales in Milton Malsor, 13 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2019-179098b49346
- 2021 BMW X4 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 56,525 miles. Price: £27,995, reduced by £2,000 from £29,995 since AskCar first saw it on 10 October 2026, 29 days ago. Fair price: £1,556 (5%) over the AskCar estimate of £26,439. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 3 November 2026; ask the dealer for the current MOT. Dealer: NSA Motor Vehicles in Milton Keynes, 3 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-c8228e657d5c
- 2018 BMW X4 3.0 30d M Sport, 261 bhp, automatic, diesel, SUV, 5 doors, silver. Mileage: 73,260 miles. Price: £20,900, unchanged since AskCar first saw it on 1 October 2026, 38 days ago. Fair price: £1,212 (6%) over the AskCar estimate of £19,688. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 November 2026. Dealer: Sytner Select Northampton in Northampton, 14 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-dc5284f78827
- 2022 BMW X4 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 71,058 miles. Price: £28,500, unchanged since AskCar first saw it on 30 September 2026, 39 days ago. Fair price: £2,110 (8%) over the AskCar estimate of £26,390. Euro 6 emissions standard. ULEZ compliant. Dealer: Sytner Select Northampton in Northampton, 14 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2022-c8c88e30755b
- 2022 BMW X4 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 43,305 miles. Price: £33,693, reduced by £2,300 from £35,993 since AskCar first saw it on 9 September 2026, 60 days ago. Above the going rate: £3,350 (11%) over the AskCar estimate of £30,343. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 December 2026. Dealer: Group 1 Bedford BMW in Bedford, 16 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2022-299070c3b440
- 2019 BMW X4, automatic, SUV, 5 doors, white. Mileage: 51,000 miles. Price: £37,450, reduced by £1,500 from £38,950 since AskCar first saw it on 26 September 2026, 43 days ago. Above the going rate: £9,100 (32%) over the AskCar estimate of £28,350. Euro 6 emissions standard. Dealer: Torque Point in Leighton Buzzard, 10 miles from Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2019-11b819a6880e
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