2021 BMW X6 3.0 30d MHT M Sport

Price: £38,489. Fair price: £591 (1%) over the AskCar estimate of £37,898, 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 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
  • Year: 2021
  • Mileage: 47,400 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 282 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 177 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X6 M Sport has covered 47,400 miles. The dealer is asking £38,489, which is £591 above the AskCar estimate of £37,898. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. We first recorded this advert 72 days ago, and its asking price has since fallen by £2,500. Our latest MOT record expired on 3 October 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. It is advertised by A6 Motors in Bedford. 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: £591 (1%) over the AskCar estimate of £37,898.

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 72 days.

Price history

AskCar first saw this advert on 25 August 2026 at £40,989. Its asking price is now £38,489, £2,500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 25 August 2026: £40,989
  • 7 October 2026: £39,989
  • 8 October 2026: £38,989
  • 27 October 2026: £38,489

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 3 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 22 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 38,636 miles, which matches the advertised 47,400 miles.

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, black. Mileage: 46,701 miles. Price: £36,480, £2,009 less than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-191f77543b90
  • 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 46,450 miles. Price: £35,400, £3,089 less than this car. Dealer: Sytner Select Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-ffec2b6aab47
  • 2021 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 46,000 miles. Price: £37,650, £839 less than this car. Dealer: Autoscout 48 in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-20c3b8f63e36
  • The nearest: 2021 BMW X6 M Sport, 3.0 diesel SUV, black, 8 miles from this car. Mileage: 83,250 miles. Price: £33,989, £4,500 less than this car. Dealer: FTR Performance in Tring. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-514765d1bd8b

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

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Photos

58 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.