Used BMW X3 M for sale near Buckingham
There are 3 used BMW X3 M for sale from UK dealers within 20 miles of Buckingham on AskCar, as of 9 November 2026. The cheapest is £33,495. AskCar lists 127 used BMW X3 M across the UK, from 110 dealerships.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Buckingham
1 of the 3 BMW X3 M within 20 miles of Buckingham had its price reduced in the last 14 days to 9 November 2026. Its 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 127 priced BMW X3 M adverts on AskCar as of 9 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.
- 2023 BMW X3 M 3.0 Competition, 503 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 25,555 miles. Price: £58,750, reduced by £3,100 from £61,850 since AskCar first saw it on 20 October 2026, 20 days ago. Fair price: £27 (under 1%) under the AskCar estimate of £58,777. Euro 6 emissions standard. ULEZ compliant. Dealer: Wollaston BMW in Wollaston, 17 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-4ab29a0aa1a9
- 2020 BMW X3 M 3.0 Competition, 503 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 79,000 miles. Price: £34,999, reduced by £996 from £35,995 since AskCar first saw it on 8 July 2026, 124 days ago. Fair price: £945 (2%) over the AskCar estimate of £34,054. Euro 6 emissions standard. ULEZ compliant. Dealer: Waterways Prestige in Leighton Buzzard, 17 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-c720a0736060
- 2019 BMW X3 M 3.0 Competition, 503 bhp, automatic, petrol, SUV, 5 doors, white. Mileage: 80,500 miles. Price: £33,495, reduced by £500 from £33,995 since AskCar first saw it on 25 July 2026, 107 days ago. Fair price: £1,201 (3%) over the AskCar estimate of £32,294. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 April 2027. Dealer: Hampton Car Sales in Milton Malsor, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2019-c1494e7ad8d4
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