Used BMW 6 Series for sale near Barnet
There are 23 used BMW 6 Series for sale from UK dealers within 20 miles of Barnet on AskCar, as of 6 November 2026. Typical asking price £13,300 (the median: half cost less, half cost more). The cheapest is £4,995. AskCar lists 184 used BMW 6 Series across the UK, from 157 dealerships.
The middle half of the 23 cars are priced between £9,200 and £15,600.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Barnet
8 of the 23 BMW 6 Series within 20 miles of Barnet had their price reduced in the last 14 days to 6 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 164 priced BMW 6 Series adverts on AskCar as of 6 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.
- 2015 BMW 6 Series 3.0 640i M Sport, 315 bhp, automatic, petrol, coupe, 2 doors, 4 seats, white. Mileage: 50,891 miles. Price: £13,295, reduced by £700 from £13,995 since AskCar first saw it on 2 September 2026, 65 days ago. Good value: £2,236 (14%) under the AskCar estimate of £15,531. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 31 August 2027. Dealer: Quality Auto Select in Rainham, 18 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2015-dfed89eea644
- 2007 BMW 6 Series 3.0 630i, 254 bhp, automatic, petrol, convertible, 2 doors, 4 seats, blue. Mileage: 60,000 miles. Price: £5,995, unchanged since AskCar first saw it on 29 October 2026, 8 days ago. Good value: £991 (14%) under the AskCar estimate of £6,986. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 1 September 2027. Dealer: MMW Motors in Hillingdon, 13 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2007-24f6a8f775e3
- 2017 BMW 6 Series 3.0 640i M Sport, 315 bhp, automatic, petrol, coupe, 2 doors, 4 seats, white. Mileage: 52,104 miles. Price: £16,500, reduced by £800 from £17,300 since AskCar first saw it on 30 September 2026, 37 days ago. Good value: £2,100 (11%) under the AskCar estimate of £18,600. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 March 2027. Dealer: Car Planet Watford in Watford, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2017-b1cad282dead
- 2015 BMW 6 Series 3.0, 309 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 72,875 miles. Price: £10,999, reduced by £2,000 from £12,999 since AskCar first saw it on 28 May 2026, 162 days ago. Good value: £1,357 (10%) under the AskCar estimate of £12,356. MOT: valid until 8 November 2026. Dealer: Northridge Cars Hemel Hempstead in Hemel Hempstead, 13 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2015-c2ad77b8ce3d
- 2015 BMW 6 Series 3.0 640i M Sport, 315 bhp, automatic, petrol, coupe, 2 doors, 4 seats, white. Mileage: 51,000 miles. Price: £13,995, unchanged since AskCar first saw it on 21 October 2026, 16 days ago. Good value: £1,526 (9%) under the AskCar estimate of £15,521. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 31 August 2027. Dealer: Wise Auto in Ilford, 14 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2015-27a1b1993481
- 2012 BMW 6 Series 3.0 640d SE, 309 bhp, automatic, diesel, coupe, 2 doors, 4 seats, blue. Mileage: 77,500 miles. Price: £7,999, reduced by £1,250 from £9,249 since AskCar first saw it on 8 August 2026, 90 days ago. Good value: £843 (9%) under the AskCar estimate of £8,842. Euro 5 emissions standard. MOT: valid until 6 April 2027. Dealer: SCS Autos in Watford, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2012-d65b028ee181
- 2005 BMW 6 Series 4.8 Sport, 361 bhp, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 41,600 miles. Price: £8,995, reduced by £1,000 from £9,995 since AskCar first saw it on 25 September 2026, 42 days ago. Fair price: £692 (7%) under the AskCar estimate of £9,687. Euro 4 emissions standard. ULEZ compliant. Dealer: Next Car Now t/a Seer Green Sales in Beaconsfield, 17 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2005-fb470ca7700f
- 2017 BMW 6 Series 3.0 640d M Sport, 308 bhp, automatic, diesel, coupe, 2 doors, 4 seats, grey. Mileage: 82,000 miles. Price: £14,995, unchanged since AskCar first saw it on 25 September 2026, 42 days ago. Fair price: £784 (4%) under the AskCar estimate of £15,779. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 January 2027. Dealer: Radlett Cars in Radlett, 6 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2017-c8f74100da87
- 2011 BMW 6 Series 3.0 640i, 315 bhp, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 73,880 miles. Price: £9,850, reduced by £1,140 from £10,990 since AskCar first saw it on 5 September 2026, 62 days ago. Fair price: £506 (4%) under the AskCar estimate of £10,356. MOT: valid until 10 February 2027. Dealer: London Carz in London, 17 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2011-9aa00129bc5f
- 2016 BMW 6 Series 3.0 640d M Sport, 308 bhp, automatic, diesel, convertible, 2 doors, 4 seats, grey. Mileage: 57,367 miles. Price: £16,210, reduced by £1,930 from £18,140 since AskCar first saw it on 10 September 2026, 57 days ago. Fair price: £821 (4%) under the AskCar estimate of £17,031. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 July 2027. Dealer: Ryds Group in London, 8 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2016-f040fd6bef18
- 2016 BMW 6 Series 3.0 640d M Sport, 308 bhp, automatic, diesel, coupe, 2 doors, 4 seats, blue. Mileage: 74,000 miles. Price: £14,495, unchanged since AskCar first saw it on 25 September 2026, 42 days ago. Fair price: £623 (4%) under the AskCar estimate of £15,118. Euro 6 emissions standard. ULEZ compliant. Dealer: Radlett Cars in Radlett, 6 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2016-d1092af8ae9c
- 2014 BMW 6 Series 3.0 640d M Sport, 309 bhp, automatic, diesel, convertible, 2 doors, 4 seats, white. Mileage: 75,000 miles. Price: £11,995, reduced by £1,500 from £13,495 since AskCar first saw it on 10 June 2026, 149 days ago. Fair price: £110 (under 1%) under the AskCar estimate of £12,105. Euro 5 emissions standard. MOT: valid until 18 May 2027. Dealer: Wheels Excellence in Chesham, 18 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2014-8969645136fd
- 2015 BMW 6 Series 3.0 640d M Sport, 309 bhp, automatic, diesel, convertible, 2 doors, 4 seats, grey. Mileage: 107,306 miles. Price: £10,623, unchanged since AskCar first saw it on 5 November 2026, 1 day ago. Fair price: £13 (under 1%) under the AskCar estimate of £10,636. Euro 5 emissions standard. MOT: valid until 28 January 2027. Dealer: Northridge Cars Hemel Hempstead in Hemel Hempstead, 13 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2015-e33127da81b7
- 2016 BMW 6 Series 3.0 640d M Sport, 308 bhp, automatic, diesel, convertible, 2 doors, 4 seats, white. Mileage: 86,211 miles. Price: £13,750, unchanged since AskCar first saw it on 28 October 2026, 9 days ago. Fair price: £13 (under 1%) under the AskCar estimate of £13,763. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 February 2027. Dealer: Car Planet Barnet in Barnet, 3 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2016-4d8238da4790
- 2015 BMW 6 Series 3.0 640i M Sport, 315 bhp, automatic, petrol, coupe, red. Mileage: 26,453 miles. Price: £18,940, reduced by £1,000 from £19,940 since AskCar first saw it on 30 May 2026, 160 days ago. Fair price: £11 (under 1%) under the AskCar estimate of £18,951. Euro 6 emissions standard. ULEZ compliant. Dealer: Seymour Pope in Hemel Hempstead, 12 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2015-abb781a759ef
- 2016 BMW 6 Series 3.0 640d M Sport, 308 bhp, automatic, diesel, convertible, 2 doors, 4 seats, black. Mileage: 58,890 miles. Price: £17,030, reduced by £774 from £17,804 since AskCar first saw it on 26 July 2026, 103 days ago. Fair price: £149 (under 1%) over the AskCar estimate of £16,881. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 March 2027. Dealer: AB Dealers in Hounslow, 17 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2016-08fffad07227
- 2016 BMW 6 Series 3.0 640d M Sport, 308 bhp, automatic, diesel, convertible, 2 doors, 4 seats, black. Mileage: 27,655 miles. Price: £20,400, reduced by £900 from £21,300 since AskCar first saw it on 30 September 2026, 37 days ago. Fair price: £223 (1%) over the AskCar estimate of £20,177. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 June 2027. Dealer: Car Planet Watford in Watford, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2016-a12f46de6667
- 2014 BMW 6 Series 3.0 640d M Sport, 309 bhp, automatic, diesel, convertible, 2 doors, 4 seats, blue. Mileage: 129,000 miles. Price: £8,590, reduced by £400 from £8,990 since AskCar first saw it on 30 October 2026, 7 days ago. Fair price: £414 (5%) over the AskCar estimate of £8,176. Euro 5 emissions standard. MOT: valid until 18 May 2027. Dealer: German Technik in Rickmansworth, 13 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2014-9b3be846fe98
- 2013 BMW 6 Series 3.0 640i M Sport, 315 bhp, automatic, petrol, coupe, silver. Mileage: 15,234 miles. Price: £17,940, unchanged since AskCar first saw it on 24 October 2026, 13 days ago. Fair price: £1,108 (6%) over the AskCar estimate of £16,832. Euro 6 emissions standard. ULEZ compliant. Dealer: Seymour Pope in Hemel Hempstead, 12 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2013-b6e7b5aac495
- 2012 BMW 6 Series 3.0 640i M Sport, 316 bhp, automatic, petrol, convertible, 2 doors, 4 seats, white. Mileage: 50,000 miles. Price: £13,990, reduced by £900 from £14,890 since AskCar first saw it on 19 August 2026, 79 days ago. Above the going rate: £1,337 (10%) over the AskCar estimate of £12,653. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 9 January 2027. Dealer: Www.Countrycarsales.Co.Uk in Welwyn Garden City, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2012-161419b714f5
- 2005 BMW 6 Series Sport, automatic, petrol, convertible, 2 doors, 4 seats. Mileage: 41,300 miles. Price: £9,500, unchanged since AskCar first saw it on 25 September 2026, 42 days ago. Above the going rate: £2,015 (26%) over the AskCar estimate of £7,485. Dealer: Runnymede Motor Company in Farnham Common and Farnham Royal, 19 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2005-ba82d9a2a5b8
- 2005 BMW 6 Series 4.4 645Ci V8, 333 bhp, automatic, petrol, convertible, 2 doors, 4 seats, grey. Mileage: 80,000 miles. Price: £4,995, unchanged since AskCar first saw it on 20 August 2026, 78 days ago. Far below the going rate: £2,761 (35%) under the AskCar estimate of £7,756. Worth asking the dealer why. Euro 3 emissions standard. MOT: the latest record we hold ran out on 1 June 2026; ask the dealer for the current MOT. Dealer: Fab Motors in Feltham, 17 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2005-ed02560116dd
- 2007 BMW 6 Series 4.8 Sport, 361 bhp, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 41,000 miles. Price: £6,990, reduced by £1,000 from £7,990 since AskCar first saw it on 28 May 2026, 162 days ago. Far below the going rate: £3,858 (35%) under the AskCar estimate of £10,848. Worth asking the dealer why. Euro 4 emissions standard. ULEZ compliant. Dealer: Quality Part Ex Southall in Southall, 11 miles from Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-2007-50cd4302301a
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