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: 19,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.4 litres, 616 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 303 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 19,000 miles on the clock, this 2021 BMW X6 M Competition has done roughly 10,600 fewer miles than a typical 2021 BMW X6 M. Its asking price of £57,950 is £4,991 below the AskCar estimate of £62,941. The AskCar estimate uses UK dealer asking prices, including 53 BMW X6 M adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 28 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Farlan Automotive in Wembley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £4,991 (7%) under the AskCar estimate of £62,941.

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 28 days.

Price history

AskCar first saw this advert on 8 October 2026 at £57,950. 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: valid until 14 April 2027.

It has had 3 MOTs. The latest, on 15 April 2026, passed.

Advisories at the latest test: oil leak, but not excessive oil content on under tray.

Mileage at that test: 18,833 miles, which matches the advertised 19,000 miles.

Advertised mileage is about 10,600 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X6 M Competition, 4.4 petrol SUV, black. Mileage: 18,599 miles. Price: £59,810, £1,860 more than this car. Dealer: BUY & Go Cars in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-245ec9f4cf80
• 2021 BMW X6 M Competition, 4.4 petrol SUV, black. Mileage: 18,058 miles. Price: £58,998, £1,048 more than this car. Dealer: Arnold Clark Armadale Citroen Leapmotor Vanstore in Armadale. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-48d66b93d930
• 2021 BMW X6 M Competition, 4.4 petrol SUV, blue. Mileage: 23,000 miles. Price: £61,885, £3,935 more than this car. Dealer: Wembley Prestige Cars in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-366fc6d6280b

• The nearest: 2021 BMW X6 M Competition, 4.4 petrol SUV, black, 8 miles from this car. Mileage: 45,000 miles. Price: £69,995, £12,045 more than this car. Dealer: AH Specialist Cars in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-82d6f88ac2bb