2021 BMW X6 M 4.4 i V8 Competition

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: 23,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.4 litres, 616 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 303 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X6 M Competition has covered 23,000 miles, around 6,600 fewer miles than is typical for its age. The dealer is asking £61,885, which is £44 above the AskCar estimate of £61,841. To work out the AskCar estimate, we analyse UK dealer adverts for 55 BMW X6 M cars across different ages and specifications. This car was first seen in our listings data 25 days ago. The government's MOT record matches its advertised mileage. You can find this car at Wembley Prestige Cars in Bushey. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £44 (under 1%) over the AskCar estimate of £61,841.

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 55 priced BMW X6 M adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2021 BMW X6 M has been on sale for at least 25 days.

Price history

AskCar first saw this advert on 10 October 2026 at £61,885. 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 4 November 2026: valid until 25 June 2027.

It has had 4 MOTs. The latest, on 26 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 22,005 miles, which matches the advertised 23,000 miles.

Advertised mileage is about 6,600 miles lower 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X6 M Competition, 4.4 petrol SUV, red. Mileage: 25,101 miles. Price: £52,724, £9,161 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, grey. Mileage: 19,000 miles. Price: £57,950, £3,935 less than this car. Dealer: Farlan Automotive in Wembley. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-7a753d24e6fd
• 2021 BMW X6 M Competition, 4.4 petrol SUV, black. Mileage: 18,599 miles. Price: £59,810, £2,075 less than this car. Dealer: BUY & Go Cars in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-245ec9f4cf80

• The nearest: 2021 BMW X6 M Competition, 4.4 petrol SUV, black, 1 miles from this car. Mileage: 45,000 miles. Price: £69,995, £8,110 more than this car. Dealer: AH Specialist Cars in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-82d6f88ac2bb