Used BMW 6 Series for sale near Buckingham
There are 5 used BMW 6 Series for sale from UK dealers within 20 miles of Buckingham on AskCar, as of 10 November 2026. The cheapest is £6,996. AskCar lists 179 used BMW 6 Series across the UK, from 153 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 Buckingham
3 of the 5 BMW 6 Series within 20 miles of Buckingham 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 160 priced BMW 6 Series 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.
- 2012 BMW 6 Series 3.0 640d, 309 bhp, automatic, diesel, coupe, 2 doors, 4 seats, black. Mileage: 99,987 miles. Price: £6,996, reduced by £1,349 from £8,345 since AskCar first saw it on 28 May 2026, 166 days ago. Good value: £1,114 (13%) under the AskCar estimate of £8,110. MOT: the latest record we hold ran out on 18 October 2026; ask the dealer for the current MOT. Dealer: Hexon Cars in Aylesbury, 17 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-6-series-2012-22249afeb010
- 2016 BMW 6 Series 3.0 640i SE, 315 bhp, automatic, petrol, 2 doors, 4 seats, grey. Mileage: 81,856 miles. Price: £12,250, reduced by £900 from £13,150 since AskCar first saw it on 1 October 2026, 40 days ago. Good value: £1,123 (8%) under the AskCar estimate of £13,373. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 July 2027. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-6-series-2016-c4247ef9fb05
- 2012 BMW 6 Series 3.0 640d M Sport, 308 bhp, automatic, diesel, convertible, 2 doors, 4 seats, black. Mileage: 97,000 miles. Price: £8,995, reduced by £505 from £9,500 since AskCar first saw it on 28 May 2026, 166 days ago. Fair price: £578 (6%) over the AskCar estimate of £8,417. MOT: valid until 26 April 2027. Dealer: Norton Automotive in Aylesbury, 17 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-6-series-2012-c549a51ec670
- 2013 BMW 6 Series 3.0 640d M Sport, 309 bhp, automatic, diesel, convertible, 2 doors, 4 seats, white. Mileage: 59,980 miles. Price: £13,795, reduced by £200 from £13,995 since AskCar first saw it on 17 September 2026, 54 days ago. Above the going rate: £1,253 (9%) over the AskCar estimate of £12,542. Euro 5 emissions standard. MOT: valid until 19 January 2027. Dealer: R Automotive UK in Worminghall, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-6-series-2013-ec3b373cd772
- 2006 BMW 6 Series 3.0 630i Sport, 254 bhp, petrol, 2 doors, 4 seats, blue. Mileage: 24,000 miles. Price: £12,950, reduced by £4,000 from £16,950 since AskCar first saw it on 19 July 2026, 114 days ago. Above the going rate: £6,324 (95%) over the AskCar estimate of £6,626. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 17 May 2027. Dealer: Bicester Sports Cars in Bicester, 9 miles from Buckingham. AskCar page: https://askcar.co.uk/car/bmw-6-series-2006-4e1e91af06d1
BMW 6 Series across the UK by price
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