2021 BMW X6 M 4.4 i V8 Competition

Price: £62,000. Fair price: £1,793 (2%) under the AskCar estimate of £63,793, our expected asking price for this car from its model, age, mileage and specification, drawing on 54 priced BMW X6 M adverts on AskCar as of 8 November 2026.

AskCar lists 56 used BMW X6 M from 51 UK dealerships, as of 8 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: 16,200 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 4.4 litres, 616 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Green
  • CO2: 303 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 16,200 miles on the clock, this 2021 BMW X6 M Competition has done roughly 8,900 fewer miles than a typical 2021 BMW X6 M. Priced at £62,000, it is advertised £1,793 below the AskCar estimate of £63,793. The AskCar estimate draws on 54 BMW X6 M adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Prestige Cars Kent, based in Orpington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,793 (2%) under the AskCar estimate of £63,793.

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 54 priced BMW X6 M adverts across different ages and specifications, as of 8 November 2026.

A 2021 BMW X6 M with the 4.4 petrol engine is typically advertised at £60,400: the median of the 10 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2021 BMW X6 M advertised today.

Price history

AskCar first saw this advert on 8 November 2026 at £62,000. 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 8 November 2026: valid until 14 July 2027.

It has had 3 MOTs. The latest, on 11 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 15,082 miles, which matches the advertised 16,200 miles.

Advertised mileage is about 8,900 miles lower than the median mileage of a 2021 BMW X6 M on AskCar.

Similar cars

9 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 8 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X6 M Competition, 4.4 petrol SUV, black. Mileage: 18,058 miles. Price: £58,998, £3,002 less 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, black. Mileage: 18,599 miles. Price: £59,810, £2,190 less 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, grey. Mileage: 19,000 miles. Price: £56,950, £5,050 less than this car. Dealer: Farlan Automotive in Wembley. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-7a753d24e6fd

Browse all BMW X6 M cars for sale · 2021 BMW X6 M price guide

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As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.