2021 BMW X6 M 4.4 i V8 Competition
Price: £61,000. Fair price: £2,388 (4%) over the AskCar estimate of £58,612, our expected asking price for this car from its model, age, mileage and specification, drawing on 53 priced BMW X6 M adverts on AskCar as of 5 November 2026.
AskCar lists 55 used BMW X6 M from 53 UK dealerships, as of 5 November 2026.
Overview
- Make: BMW
- Model: X6 M
- Trim: Competition
- Version: 4.4 i V8 Competition Auto 4WD Euro 6 (s/s) 5dr (616 bhp)
- Year: 2021
- Mileage: 34,000 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 4.4 litres, 616 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 303 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 BMW X6 M Competition is advertised with 34,000 miles, approximately 4,500 above the typical mileage for its age. Priced at £61,000, it is advertised £2,388 above the AskCar estimate of £58,612. To work out the AskCar estimate, we analyse UK dealer adverts for 53 BMW X6 M cars across different ages and specifications. We have tracked this advert for 101 days. The latest recorded MOT expiry date is 15 July 2026, which has passed. Confirm its status with the dealer. The government's MOT record matches its advertised mileage. It is advertised by Brooklyns in Broxbourne. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £2,388 (4%) over the AskCar estimate of £58,612.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 53 priced BMW X6 M adverts across different ages and specifications, as of 5 November 2026.
Time on sale
This 2021 BMW X6 M has been on sale for at least 101 days.
Price history
AskCar first saw this advert on 27 July 2026 at £61,000. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 15 July 2026; ask the dealer for the current MOT.
It has had 2 MOTs. The latest, on 16 July 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 24,634 miles, which matches the advertised 34,000 miles.
Advertised mileage is about 4,500 miles higher than the median mileage of a 2021 BMW X6 M on AskCar.
Similar cars
8 other 2021 BMW X6 M Competition 4.4 petrol automatic SUVs are for sale at UK dealers, from £48,500 to £69,995, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW X6 M Competition, 4.4 petrol SUV. Mileage: 34,150 miles. Price: £66,990, £5,990 more than this car. Dealer: George Gehdu Cars in Broxbourne. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-c69b107bb032
- 2021 BMW X6 M Competition, 4.4 petrol SUV, red. Mileage: 25,101 miles. Price: £52,724, £8,276 less than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-93e39f73a5ad
- 2021 BMW X6 M Competition, 4.4 petrol SUV, blue. Mileage: 23,000 miles. Price: £61,885, £885 more than this car. Dealer: Wembley Prestige Cars in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-366fc6d6280b
Browse all BMW X6 M cars for sale · 2021 BMW X6 M price guide
More like this
Photos
39 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.