Used BMW X6 for sale near Buckingham
There are 15 used BMW X6 for sale from UK dealers within 20 miles of Buckingham on AskCar, as of 9 November 2026. Typical asking price £40,000 (the median: half cost less, half cost more). The cheapest is £6,990. AskCar lists 560 used BMW X6 across the UK, from 392 dealerships.
The middle half of the 15 cars are priced between £20,500 and £48,000.
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
9 of the 15 BMW X6 within 20 miles of Buckingham had their price reduced in the last 14 days to 9 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 544 priced BMW X6 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.
- 2013 BMW X6 3.0 30d, 242 bhp, automatic, diesel, SUV, 5 doors, 4 seats, blue. Mileage: 111,000 miles. Price: £6,990, reduced by £1,000 from £7,990 since AskCar first saw it on 8 September 2026, 62 days ago. Good value: £1,472 (17%) under the AskCar estimate of £8,462. Euro 5 emissions standard. MOT: valid until 29 May 2027. Dealer: Auto Globe in Milton Keynes, 9 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2013-8f69d6656b99
- 2023 BMW X6 3.0 M Sport, automatic, diesel, SUV, 5 doors, black. Mileage: 28,715 miles. Price: £39,950, reduced by £1,900 from £41,850 since AskCar first saw it on 16 October 2026, 24 days ago. Good value: £7,116 (15%) under the AskCar estimate of £47,066. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 December 2026. Dealer: North Oxford Bmw in Oxford, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-3aaa8fae0c14
- 2015 BMW X6 3.0 M Sport, 302 bhp, automatic, petrol, SUV, 5 doors, white. Mileage: 56,000 miles. Price: £17,995, reduced by £1,000 from £18,995 since AskCar first saw it on 25 September 2026, 45 days ago. Fair price: £1,555 (7%) under the AskCar estimate of £19,550. MOT: valid until 15 September 2027. Dealer: JST Automotive in Oxford, 8 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2015-8f83f3907619
- 2022 BMW X6 3.0 40i MHT M Sport, automatic, petrol, SUV, 5 doors, blue. Mileage: 11,575 miles. Price: £46,450, reduced by £500 from £46,950 since AskCar first saw it on 30 September 2026, 40 days ago. Fair price: £3,855 (7%) under the AskCar estimate of £50,305. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 January 2027. Dealer: North Oxford Bmw in Oxford, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2022-610b3c75569a
- 2022 BMW X6 3.0 40i MHT M Sport, 328 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 27,947 miles. Price: £43,580, reduced by £10 from £43,590 since AskCar first saw it on 24 October 2026, 16 days ago. Fair price: £2,895 (6%) under the AskCar estimate of £46,475. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 April 2027. Dealer: Stratstone BMW Milton Keynes in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2022-f9a090f53441
- 2026 BMW X6 3.0 M Sport, automatic, diesel, SUV, 5 doors, black. Mileage: 11,960 miles. Price: £62,250, raised by £400 from £61,850 since AskCar first saw it on 22 October 2026, 18 days ago. Fair price: £2,754 (4%) under the AskCar estimate of £65,004. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Wollaston BMW in Wollaston, 17 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2026-1d817e4fc8f4
- 2018 BMW X6 3.0 40d M Sport, 309 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 72,567 miles. Price: £19,995, reduced by £2,000 from £21,995 since AskCar first saw it on 13 August 2026, 88 days ago. Fair price: £670 (3%) under the AskCar estimate of £20,665. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 19 July 2026; ask the dealer for the current MOT. Dealer: Hampton Car Sales in Milton Malsor, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-11090ea037aa
- 2024 BMW X6 3.0 M Sport, automatic, diesel, SUV, 5 doors, black. Mileage: 14,288 miles. Price: £57,190, reduced by £800 from £57,990 since AskCar first saw it on 21 October 2026, 19 days ago. Fair price: £811 (1%) under the AskCar estimate of £58,001. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: MINI UK at Stratstone Milton Keynes in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2024-64d6a503f912
- 2017 BMW X6 3.0 M50d, 375 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 72,347 miles. Price: £21,490, unchanged since AskCar first saw it on 31 October 2026, 9 days ago. Fair price: £151 (under 1%) under the AskCar estimate of £21,641. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 January 2027. Dealer: Kennington Car Sales in Bletchley, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2017-8e176beda51e
- 2022 BMW X6 3.0 M Sport, automatic, diesel, SUV, 5 doors, grey. Mileage: 69,750 miles. Price: £36,750, unchanged since AskCar first saw it on 23 October 2026, 17 days ago. Fair price: £232 (under 1%) over the AskCar estimate of £36,518. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 February 2027. Dealer: Torque Point in Leighton Buzzard, 15 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2022-4c8e24d20bc5
- 2024 BMW X6 3.0 40d MHT M Sport, 347 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 20,073 miles. Price: £57,995, reduced by £5,000 from £62,995 since AskCar first saw it on 11 July 2026, 121 days ago. Fair price: £543 (under 1%) over the AskCar estimate of £57,452. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Crystal Motor Company in Northampton, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2024-9e8251657942
- 2023 BMW X6 3.0 40i MHT M Sport, automatic, petrol, SUV, 5 doors, blue. Mileage: 37,776 miles. Price: £49,850, reduced by £3,100 from £52,950 since AskCar first saw it on 3 October 2026, 37 days ago. Fair price: £2,305 (4%) over the AskCar estimate of £47,545. Euro 6 emissions standard. ULEZ compliant. Dealer: Wollaston BMW in Wollaston, 17 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-f53ca525bd85
- 2020 BMW X6 3.0 M50d, 395 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 36,209 miles. Price: £44,950, unchanged since AskCar first saw it on 4 October 2026, 36 days ago. Fair price: £2,350 (5%) over the AskCar estimate of £42,600. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 April 2027. Dealer: J S Exclusive Motors in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-17ac36ab68cb
- 2012 BMW X6 3.0 M50d, 376 bhp, automatic, diesel, SUV, 5 doors, 4 seats, black. Mileage: 105,000 miles. Price: £11,000, reduced by £495 from £11,495 since AskCar first saw it on 20 October 2026, 20 days ago. Above the going rate: £1,160 (11%) over the AskCar estimate of £9,840. Euro 5 emissions standard. MOT: valid until 13 November 2026. Dealer: T W Automotive in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2012-8cd112c1c7c9
- 2008 BMW X6 4.4, 402 bhp, automatic, petrol, estate, 5 doors, 4 seats, white. Mileage: 40,600 miles. Price: £25,000, unchanged since AskCar first saw it on 28 May 2026, 165 days ago. Above the going rate: £12,593 (101%) over the AskCar estimate of £12,407. Euro 5 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 16 July 2026; ask the dealer for the current MOT. Dealer: Praters in Leighton Buzzard, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2008-edb4cc2cef25
BMW X6 across the UK by price
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