2021 BMW X6 3.0 M50d

Price: £41,299. Fair price: £1,756 (4%) under the AskCar estimate of £43,055, our expected asking price for this car from its model, age, mileage and specification, drawing on 541 priced BMW X6 adverts on AskCar as of 7 November 2026.

AskCar lists 560 used BMW X6 from 390 UK dealerships, as of 7 November 2026.

Overview

  • Make: BMW
  • Model: X6
  • Version: 3.0 M50d Auto 4WD Euro 6 (s/s) 5dr (395 bhp)
  • Year: 2021
  • Mileage: 31,184 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 395 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 218 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 31,184 miles, this 2021 BMW X6 has covered about 19,400 fewer miles than other 2021 BMW X6 cars. Priced at £41,299, it is advertised £1,756 below the AskCar estimate of £43,055. The AskCar estimate uses 541 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 66 days ago, and its asking price has since fallen by £3,000. Its advertised mileage matches the government's MOT record. The seller is Lookers BMW Crewe, based in Crewe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,756 (4%) under the AskCar estimate of £43,055.

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 541 priced BMW X6 adverts across different ages and specifications, as of 7 November 2026.

A 2021 BMW X6 with the 3.0 diesel engine is typically advertised at £38,000: the median of the 39 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 BMW X6 has been on sale for at least 66 days.

Price history

AskCar first saw this advert on 2 September 2026 at £44,299. Its asking price is now £41,299, £3,000 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 2 September 2026: £44,299
  • 18 September 2026: £44,699
  • 24 September 2026: £44,399
  • 25 September 2026: £43,999
  • 30 September 2026: £43,699
  • 5 October 2026: £42,699
  • 8 October 2026: £42,299
  • 14 October 2026: £41,999
  • 19 October 2026: £41,899
  • 23 October 2026: £41,499
  • 31 October 2026: £41,399
  • 6 November 2026: £41,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 1 December 2026.

It has had 3 MOTs. The latest, on 2 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 25,976 miles, which matches the advertised 31,184 miles.

Advertised mileage is about 19,400 miles lower than the median mileage of a 2021 BMW X6 on AskCar.

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

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Photos

39 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.