2021 BMW X6 3.0 M Sport

Price: £42,950. Fair price: £1,005 (2%) under the AskCar estimate of £43,955, our expected asking price for this car from its model, age, mileage and specification, drawing on 547 priced BMW X6 adverts on AskCar as of 5 November 2026.

AskCar lists 563 used BMW X6 from 394 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: X6
  • Trim: M Sport
  • Version: 3.0 MHT M Sport Auto 4WD Euro 6 5dr
  • Year: 2021
  • Mileage: 13,923 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 179 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X6 M Sport has covered 13,923 miles, around 33,500 fewer miles than is typical for its age. Priced at £42,950, it is advertised £1,005 below the AskCar estimate of £43,955. The AskCar estimate uses 547 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 12 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Lloyd Newcastle BMW in Newcastle Upon Tyne. 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: £1,005 (2%) under the AskCar estimate of £43,955.

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 547 priced BMW X6 adverts across different ages and specifications, as of 5 November 2026.

A 2021 BMW X6 with the 3.0 diesel engine is typically advertised at £37,900: the median of the 40 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW X6 has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 24 October 2026 at £42,950. 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 22 October 2027.

It has had 4 MOTs. The latest, on 23 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 13,943 miles, which matches the advertised 13,923 miles.

Advertised mileage is about 33,500 miles lower than the median mileage of a 2021 BMW X6 on AskCar.

Similar cars

31 other 2021 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £29,999 to £43,500, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 13,923 miles. Price: £42,950, the same price as this car. Dealer: Lloyd Newcastle BMW in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-d0aa35f4d71d
  • 2021 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 28,351 miles. Price: £37,000, £5,950 less than this car. Dealer: Sytner Tamworth BMW in Tamworth. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-51e7ac769706
  • 2021 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 33,328 miles. Price: £39,980, £2,970 less than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-063edad623f3

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

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Photos

55 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.