Used diesel BMW 3 Series for sale near Watford
There are 223 used diesel BMW 3 Series for sale from UK dealers within 20 miles of Watford on AskCar, as of 29 October 2026. Typical asking price £13,800 (the median: half cost less, half cost more). The cheapest is £1,795. AskCar lists 7,078 used BMW 3 Series across the UK, from 2,699 dealerships.
The middle half of the 223 cars are priced between £8,900 and £18,500.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Watford
70 cars within 20 miles had their price reduced in the last 14 days to 29 October 2026. Of those priced between £1,000 and £60,000, these 8 have the biggest reductions in pounds since AskCar first saw them.
- 2023 BMW 3 Series 3.0 M340d MHT, 335 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 27,972 miles. Price: £35,750, reduced by £4,200 from £39,950 since AskCar first saw it on 22 July 2026, 99 days ago. Fair price: £2,937 (7%) under the AskCar estimate of £38,687. Euro 6 emissions standard. ULEZ compliant. Dealer: Sytner Maidenhead BMW in Maidenhead, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-d95ef190ddf8
- 2024 BMW 3 Series 3.0 M340d MHT, 335 bhp, automatic, diesel, white. Mileage: 19,705 miles. Price: £45,500, reduced by £3,900 from £49,400 since AskCar first saw it on 7 August 2026, 83 days ago. Fair price: £1,671 (3%) over the AskCar estimate of £43,829. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Berry Heathrow in Heathrow, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2024-9a5e2b6f6f08
- 2020 BMW 3 Series 2.0 320d M Sport, 187 bhp, automatic, diesel, estate, 5 doors, white. Mileage: 37,219 miles. Price: £22,500, reduced by £3,250 from £25,750 since AskCar first saw it on 5 July 2026, 116 days ago. Fair price: £1,438 (6%) under the AskCar estimate of £23,938. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 July 2027. Dealer: Car Planet Barnet in Barnet, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ccdc0a113c79
- 2019 BMW 3 Series 2.0 320d M Sport, 187 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 38,622 miles. Price: £19,650, reduced by £3,000 from £22,650 since AskCar first saw it on 28 May 2026, 154 days ago. Good value: £3,114 (13%) under the AskCar estimate of £22,764. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 April 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2019-3a77e604e64f
- 2019 BMW 3 Series 2.0 320d M Sport, 187 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 43,164 miles. Price: £20,749, reduced by £3,000 from £23,749 since AskCar first saw it on 30 May 2026, 152 days ago. Fair price: £1,415 (6%) under the AskCar estimate of £22,164. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 16 September 2026; ask the dealer for the current MOT. Dealer: Prime Motors in Hoddesdon, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2019-6465e67f6a79
- 2014 BMW 3 Series 3.0 330d M Sport, 254 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 61,500 miles. Price: £11,792, reduced by £2,971 from £14,763 since AskCar first saw it on 25 July 2026, 96 days ago. Good value: £2,852 (19%) under the AskCar estimate of £14,644. Euro 5 emissions standard. MOT: valid until 7 July 2027. Dealer: Aylesbury Trade Centre in Aston Clinton, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2014-bee198d2e1b0
- 2017 BMW 3 Series 3.0 335d M Sport, 309 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 34,714 miles. Price: £16,700, reduced by £2,750 from £19,450 since AskCar first saw it on 28 May 2026, 154 days ago. Good value: £3,595 (17%) under the AskCar estimate of £20,295. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 January 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2017-dc6a8003893e
- 2018 BMW 3 Series 3.0, 309 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 73,850 miles. Price: £18,995, reduced by £2,700 from £21,695 since AskCar first saw it on 6 July 2026, 115 days ago. Fair price: £627 (3%) over the AskCar estimate of £18,368. MOT: valid until 16 June 2027. Dealer: Evo Motor Group in Watford, 4 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-f245b63b4159
Median asking price by year
| Year | For sale with a price | Median asking price | Middle half priced between |
|---|---|---|---|
| 2019 | 43 | £18,200 | £16,000 to £21,500 |
| 2018 | 25 | £15,200 | £13,400 to £18,000 |
| 2017 | 21 | £12,500 | £10,100 to £16,000 |
| 2016 | 24 | £11,700 | £7,900 to £13,400 |
| 2015 | 24 | £10,000 | £8,000 to £12,900 |
Cars for sale now, page 3 of 3
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 6,692 priced BMW 3 Series adverts on AskCar as of 29 October 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.
- 2019 BMW 3 Series 2.0 320d M Sport, 187 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 86,990 miles. Price: £18,249, reduced by £200 from £18,449 since AskCar first saw it on 23 September 2026, 36 days ago. Above the going rate: £2,525 (16%) over the AskCar estimate of £15,724. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 February 2027. Dealer: Paragon Cars London in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2019-d47edbb54e3e
- 2023 BMW 3 Series 3.0 M340d MHT, 335 bhp, automatic, diesel, grey. Mileage: 81,358 miles. Price: £35,900, unchanged since AskCar first saw it on 3 October 2026, 26 days ago. Above the going rate: £5,322 (17%) over the AskCar estimate of £30,578. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 March 2027. Dealer: Berry Heathrow in Heathrow, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-6f946e710ec1
- 2021 BMW 3 Series 2.0 318d MHT M Sport, 148 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 131,041 miles. Price: £13,500, reduced by £200 from £13,700 since AskCar first saw it on 9 October 2026, 20 days ago. Above the going rate: £2,017 (17%) over the AskCar estimate of £11,483. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 July 2027. Dealer: Parkside Motors in Edgware, 6 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3166c566ae5a
- 2012 BMW 3 Series 2.0 320d ED Efficientdynamics, 161 bhp, manual, diesel, saloon, 4 doors, white. Mileage: 60,000 miles. Price: £6,795, reduced by £1,200 from £7,995 since AskCar first saw it on 28 May 2026, 154 days ago. Above the going rate: £1,140 (20%) over the AskCar estimate of £5,655. Euro 5 emissions standard. MOT: valid until 26 March 2027. Dealer: Select Cars in Luton, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2012-ac54439ce1d8
- 2022 BMW 3 Series 3.0 M340d MHT, 335 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 69,500 miles. Price: £33,989, unchanged since AskCar first saw it on 28 May 2026, 154 days ago. Above the going rate: £6,185 (22%) over the AskCar estimate of £27,804. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 February 2027. Dealer: Stonebrook Motors in Hillingdon, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2022-dc43cdd8a77a
- 2020 BMW 3 Series 2.0 320d MHT M Sport Plus Edition, 187 bhp, automatic, diesel, estate, 5 doors, blue. Mileage: 60,228 miles. Price: £26,995, unchanged since AskCar first saw it on 26 September 2026, 33 days ago. Above the going rate: £4,992 (22%) over the AskCar estimate of £22,002. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 2 October 2026; ask the dealer for the current MOT. Dealer: Sytner Stevenage BMW in Stevenage, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-4b1f6ae85fbf
- 2013 BMW 3 Series 3.0 Luxury, automatic, diesel, estate, 5 doors, grey. Mileage: 163,000 miles. Price: £8,995, unchanged since AskCar first saw it on 1 August 2026, 89 days ago. Above the going rate: £4,471 (98%) over the AskCar estimate of £4,524. Dealer: Chesham Left Hand Drive Centre in Chesham, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2013-c3a30ce087fa
- 2010 BMW 3 Series 2.0 SE, automatic, diesel, saloon, 4 doors, grey. Mileage: 81,000 miles. Price: £1,795, reduced by £1,000 from £2,795 since AskCar first saw it on 2 October 2026, 27 days ago. Far below the going rate: £2,989 (62%) under the AskCar estimate of £4,784. Worth asking the dealer why. Euro 4 emissions standard. MOT: the latest record we hold ran out on 9 November 2023; ask the dealer for the current MOT. Dealer: Blue Seven in Park Royal, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2010-c3675fa751be
- 2008 BMW 3 Series 3.0 330d SE, 227 bhp, manual, diesel, convertible, 2 doors, 4 seats, blue. Mileage: 69,000 miles. Price: £2,500, unchanged since AskCar first saw it on 28 October 2026, 1 day ago. Far below the going rate: £2,310 (48%) under the AskCar estimate of £4,810. Worth asking the dealer why. Euro 4 emissions standard. MOT: the latest record we hold ran out on 10 September 2018; ask the dealer for the current MOT. Dealer: Field Way Motors in Gerrards Cross, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2008-83682b6373da
- 2019 BMW 3 Series 2.0 318d M Sport, 148 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 68,463 miles. Price: £8,990, reduced by £2,000 from £10,990 since AskCar first saw it on 30 June 2026, 121 days ago. Far below the going rate: £6,729 (42%) under the AskCar estimate of £15,719. Worth asking the dealer why. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 23 July 2026; ask the dealer for the current MOT. Dealer: 3X Motors in Dunstable, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2019-cb30e57c3ef1
- 2016 BMW 3 Series 3.0 330d M Sport, 254 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 82,000 miles. Price: £7,999, unchanged since AskCar first saw it on 23 October 2026, 6 days ago. Far below the going rate: £4,828 (37%) under the AskCar estimate of £12,827. Worth asking the dealer why. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 October 2027. Dealer: Field Way Motors in Gerrards Cross, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2016-48106284aab2
- 2017 BMW 3 Series 2.0 320d M Sport, 187 bhp, automatic, diesel, estate, 5 doors, silver. Mileage: 78,841 miles. Price: £8,999, reduced by £1,000 from £9,999 since AskCar first saw it on 28 May 2026, 154 days ago. Far below the going rate: £4,289 (32%) under the AskCar estimate of £13,288. Worth asking the dealer why. Euro 6 emissions standard. ULEZ compliant. Dealer: Berkeley Motor Group in Greenford, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2017-34b445bceda4
- 2016 BMW 3 Series 3.0 335d M Sport, 309 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 106,000 miles. Price: £13,067, unchanged since AskCar first saw it on 10 July 2026, 111 days ago. Fair price: £327 (2%) under the AskCar estimate of £13,394. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 April 2027. Dealer: Sell Your Car in High Wycombe, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2016-27ae52b7e57e
- 2007 BMW 3 Series 2.0 320d SE, 161 bhp, manual, diesel, saloon, 4 doors, grey. Mileage: 101,404 miles. Price: £2,390. AskCar first saw it on 10 June 2026, 141 days ago. Euro 4 emissions standard. MOT: valid until 6 May 2027. Dealer: Midtown Motors in Dunstable, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-a18d02a54b8c
- 2009 BMW 3 Series 2.0 318d SE Business Edition, 141 bhp, automatic, diesel, saloon, 4 doors, silver. Mileage: 111,800 miles. Price: £2,895. AskCar first saw it on 30 September 2026, 29 days ago. Euro 5 emissions standard. MOT: valid until 5 November 2026. Dealer: The Motor Web in Slough, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2009-b93f23ba2017
- 2008 BMW 3 Series 2.0 320d SE, 175 bhp, manual, diesel, saloon, 4 doors, blue. Mileage: 82,181 miles. Price: £3,490. AskCar first saw it on 4 September 2026, 55 days ago. Euro 4 emissions standard. MOT: valid until 5 January 2027. Dealer: Midtown Motors in Dunstable, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2008-b7a66e729f1b
- 2014 BMW 3 Series 2.0 320d M Sport, 181 bhp, manual, diesel, saloon, 4 doors, black. Mileage: 157,000 miles. Price: £3,495. AskCar first saw it on 2 October 2026, 27 days ago. Euro 5 emissions standard. MOT: valid until 8 April 2027. Dealer: Bucks Trade Centre in High Wycombe, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2014-0be688afb55e
- 2007 BMW 3 Series 3.0 325d M Sport, 194 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 104,000 miles. Price: £5,495. AskCar first saw it on 30 May 2026, 152 days ago. Euro 4 emissions standard. MOT: the latest record we hold ran out on 2 June 2026; ask the dealer for the current MOT. Dealer: The Motor Web in Slough, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-48e3d573132b
- 2012 BMW 3 Series 2.0 320d Sport, 181 bhp, manual, diesel, saloon, 4 doors. Price: £5,995, unchanged since AskCar first saw it on 12 August 2026, 78 days ago. Euro 5 emissions standard. Dealer: Mk Motors Chalfont in Chalfont St Peter, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2012-543eb6221a25
- 2015 BMW 3 Series 2.0 320d SE, 181 bhp, automatic, diesel, saloon, 4 doors, silver. Mileage: 91,432 miles. Price: £6,490. AskCar first saw it on 10 June 2026, 141 days ago. Euro 5 emissions standard. MOT: valid until 6 May 2027. Dealer: Midtown Motors in Dunstable, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2015-2c4f7c50747f
- BMW 3 Series 2.0 320d Sport, automatic, diesel, estate, 5 doors. Mileage: 104,000 miles. Price: £7,000, unchanged since AskCar first saw it on 11 August 2026, 79 days ago. Dealer: WAZ Cars in Windsor, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-27b0b9ed7e57
- 2013 BMW 3 Series 3.0 330d M Sport, 254 bhp, automatic, diesel, estate, 5 doors. Price: £9,995, unchanged since AskCar first saw it on 12 August 2026, 78 days ago. Euro 5 emissions standard. Dealer: Mk Motors Chalfont in Chalfont St Peter, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2013-204f53a2c92b
- 2019 BMW 3 Series 2.0 320d Sport, 187 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 124,860 miles. Price: £11,895. AskCar first saw it on 6 August 2026, 84 days ago. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 April 2027. Dealer: MK Motors in London, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2019-c29f3ed4a1f8
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BMW 3 Series near Watford by price
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