2021 BMW X6 M 4.4 i V8 Competition

Price: £48,500. Fair price: £253 (under 1%) over the AskCar estimate of £48,247, our expected asking price for this car from its model, age, mileage and specification, drawing on 55 priced BMW X6 M adverts on AskCar as of 4 November 2026.

AskCar lists 57 used BMW X6 M from 55 UK dealerships, as of 4 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: 67,000 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 67,000 miles, around 37,500 more miles than is typical for its age. Priced at £48,500, it is advertised £253 above the AskCar estimate of £48,247. The AskCar estimate draws on 55 BMW X6 M adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 139 days ago, and its asking price has since fallen by £4,495. The recorded MOT expired on 28 September 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Magna Motor Group in Warrington. 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: £253 (under 1%) over the AskCar estimate of £48,247.

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 139 days.

Price history

AskCar first saw this advert on 18 June 2026 at £52,995. Its asking price is now £48,500, £4,495 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

  • 18 June 2026: £52,995
  • 28 July 2026: £51,995
  • 13 October 2026: £48,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 28 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 29 September 2025, passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 59,659 miles, which matches the advertised 67,000 miles.

Advertised mileage is about 37,500 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 £52,724 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, black. Mileage: 45,000 miles. Price: £69,995, £21,495 more than this car. Dealer: AH Specialist Cars in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-82d6f88ac2bb
  • 2021 BMW X6 M Competition, 4.4 petrol SUV. Mileage: 34,150 miles. Price: £66,990, £18,490 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, black. Mileage: 34,000 miles. Price: £61,000, £12,500 more than this car. Dealer: Brooklyns in Broxbourne. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-6e480af6f889
  • The nearest: 2021 BMW X6 M Competition, 4.4 petrol SUV, red, under a mile from this car. Mileage: 25,101 miles. Price: £52,724, £4,224 more than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-93e39f73a5ad

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

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Photos

47 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.