Used BMW X6 M for sale near Watford
There are 11 used BMW X6 M for sale from UK dealers within 20 miles of Watford on AskCar, as of 11 November 2026. Typical asking price £61,000 (the median: half cost less, half cost more). The cheapest is £10,450. AskCar lists 54 used BMW X6 M across the UK, from 50 dealerships.
The middle half of the 11 cars are priced between £45,500 and £67,500.
As of 11 November 2026, AskCar lists 593,449 cars and vans from 12,847 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Watford
3 of the 11 BMW X6 M within 20 miles of Watford had their price reduced in the last 14 days to 11 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 53 priced BMW X6 M adverts on AskCar as of 11 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.
- 2021 BMW X6 M 4.4 i V8 Competition, 616 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 19,000 miles. Price: £56,950, reduced by £1,000 from £57,950 since AskCar first saw it on 8 October 2026, 34 days ago. Good value: £5,936 (9%) under the AskCar estimate of £62,886. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 April 2027. Dealer: Farlan Automotive in Wembley, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-7a753d24e6fd
- 2011 BMW X6 M 4.4 i V8, 547 bhp, automatic, petrol, SUV, 5 doors, 4 seats, white. Mileage: 106,924 miles. Price: £10,450, unchanged since AskCar first saw it on 28 May 2026, 167 days ago. Fair price: £733 (6%) under the AskCar estimate of £11,183. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 4 January 2027. Dealer: Quality Motor Company in Iver, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2011-2e41532fb0b8
- 2015 BMW X6 M 4.4 BiTurbo V8, 575 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 84,780 miles. Price: £19,995, reduced by £1,900 from £21,895 since AskCar first saw it on 14 August 2026, 89 days ago. Fair price: £152 (under 1%) under the AskCar estimate of £20,147. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 July 2027. Dealer: Meddusa Cars in Waltham Abbey, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2015-42313619a101
- 2021 BMW X6 M 4.4 i V8 Competition, 616 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 23,000 miles. Price: £61,885, unchanged since AskCar first saw it on 10 October 2026, 32 days ago. Fair price: £127 (under 1%) over the AskCar estimate of £61,758. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 June 2027. Dealer: Wembley Prestige Cars in Watford, 0 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-366fc6d6280b
- 2020 BMW X6 M 4.4 i V8 Competition, 616 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 35,200 miles. Price: £52,600, unchanged since AskCar first saw it on 25 October 2026, 17 days ago. Fair price: £143 (under 1%) over the AskCar estimate of £52,457. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 April 2027. Dealer: Reverie Autos in Hatfield, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2020-fd20837f8411
- 2023 BMW X6 M 4.4 i V8 Competition, 616 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 8,835 miles. Price: £74,386, unchanged since AskCar first saw it on 13 October 2026, 29 days ago. Fair price: £2,435 (3%) over the AskCar estimate of £71,951. Euro 6 emissions standard. ULEZ compliant. Dealer: BMW Park Lane in City of Westminster, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2023-62926b393abc
- 2021 BMW X6 M 4.4 i V8 Competition, 616 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 34,000 miles. Price: £61,000, unchanged since AskCar first saw it on 27 July 2026, 107 days ago. Fair price: £2,504 (4%) over the AskCar estimate of £58,496. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 15 July 2026; ask the dealer for the current MOT. Dealer: Brooklyns in Broxbourne, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-6e480af6f889
- 2022 BMW X6 M 4.4 i V8 Competition, 616 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 25,000 miles. Price: £67,995, reduced by £2,000 from £69,995 since AskCar first saw it on 23 August 2026, 80 days ago. Fair price: £4,550 (7%) over the AskCar estimate of £63,445. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 June 2027. Dealer: AH Specialist Cars in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2022-d4fe8663a0bb
- 2021 BMW X6 M 4.4 i V8 Competition, 616 bhp, automatic, petrol, SUV, 5 doors. Mileage: 34,150 miles. Price: £66,990, unchanged since AskCar first saw it on 30 October 2026, 12 days ago. Above the going rate: £8,544 (14%) over the AskCar estimate of £58,446. Euro 6 emissions standard. ULEZ compliant. Dealer: George Gehdu Cars in Broxbourne, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-c69b107bb032
- 2020 BMW X6 M, automatic, SUV, 5 doors, grey. Mileage: 56,011 miles. Price: £37,990, reduced by £2,000 from £39,990 since AskCar first saw it on 28 May 2026, 167 days ago. Above the going rate: £6,007 (18%) over the AskCar estimate of £31,983. MOT: valid until 7 January 2027. Dealer: Jan Autos in Luton, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2020-52441e6b4698
- 2021 BMW X6 M 4.4 i V8 Competition, 616 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 45,000 miles. Price: £69,995, raised by £5,000 from £64,995 since AskCar first saw it on 30 May 2026, 165 days ago. Above the going rate: £15,021 (27%) over the AskCar estimate of £54,974. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 February 2027. Dealer: AH Specialist Cars in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-82d6f88ac2bb
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