Used BMW X3 M for sale near High Wycombe
There are 5 used BMW X3 M for sale from UK dealers within 20 miles of High Wycombe on AskCar, as of 10 November 2026. The cheapest is £37,995. AskCar lists 126 used BMW X3 M across the UK, from 108 dealerships.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near High Wycombe
3 of the 5 BMW X3 M within 20 miles of High Wycombe had their price reduced in the last 14 days to 10 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 126 priced BMW X3 M adverts on AskCar as of 10 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.
- 2019 BMW X3 M 3.0 Competition, 503 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 44,978 miles. Price: £40,000, reduced by £2,500 from £42,500 since AskCar first saw it on 25 August 2026, 77 days ago. Fair price: £346 (under 1%) under the AskCar estimate of £40,346. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 29 August 2026; ask the dealer for the current MOT. Dealer: Sytner High Wycombe BMW in High Wycombe, 2 miles from High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2019-99937082a7eb
- 2019 BMW X3 M 3.0 Competition, 503 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 47,500 miles. Price: £39,489, reduced by £1,500 from £40,989 since AskCar first saw it on 24 September 2026, 47 days ago. Fair price: £316 (under 1%) under the AskCar estimate of £39,805. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 12 October 2026; ask the dealer for the current MOT. Dealer: Auto Vuego Motors in Hillingdon, 13 miles from High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2019-e30ad860e0c9
- 2023 BMW X3 M 3.0 Competition, 503 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 20,404 miles. Price: £59,950, reduced by £2,500 from £62,450 since AskCar first saw it on 26 September 2026, 45 days ago. Fair price: £147 (under 1%) under the AskCar estimate of £60,097. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 May 2027. Dealer: Sytner Maidenhead BMW in Maidenhead, 8 miles from High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-da979a7a26dc
- 2019 BMW X3 M 3.0 Competition, 503 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 39,995 miles. Price: £42,449, unchanged since AskCar first saw it on 11 October 2026, 30 days ago. Fair price: £1,011 (2%) over the AskCar estimate of £41,438. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 December 2026. Dealer: Paragon Cars London in Watford, 15 miles from High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2019-bdeadd47bd66
- 2020 BMW X3 M 3.0 Competition, 503 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 83,230 miles. Price: £37,995, unchanged since AskCar first saw it on 19 September 2026, 52 days ago. Above the going rate: £4,971 (15%) over the AskCar estimate of £33,024. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 January 2027. Dealer: Macphersons & Sons in Fulmer, 10 miles from High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-b7eef1de0cd1
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