2021 BMW X6 M 4.4 i V8 Competition

Price: £66,990. Above the going rate: £8,426 (14%) over the AskCar estimate of £58,564, 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: 34,150 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 4.4 litres, 616 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • CO2: 303 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X6 M Competition has covered 34,150 miles, around 4,600 more miles than is typical for its age. Priced at £66,990, it is advertised £8,426 above the AskCar estimate of £58,564. The AskCar estimate uses 53 UK dealer adverts for the BMW X6 M, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 6 days ago. The seller is George Gehdu Cars, based in Epping Forest. 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

Above the going rate: £8,426 (14%) over the AskCar estimate of £58,564.

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

AskCar first saw this 2021 BMW X6 M advertised 6 days ago.

Price history

AskCar first saw this advert on 30 October 2026 at £66,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 4,600 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, black. Mileage: 34,000 miles. Price: £61,000, £5,990 less than this car. Dealer: Brooklyns in Broxbourne. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-6e480af6f889
  • 2021 BMW X6 M Competition, 4.4 petrol SUV, red. Mileage: 25,101 miles. Price: £52,724, £14,266 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, black. Mileage: 45,000 miles. Price: £69,995, £3,005 more than this car. Dealer: AH Specialist Cars in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2021-82d6f88ac2bb

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

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Photos

33 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.