2021 BMW X6 3.0 30d MHT M Sport

Price: £36,240. Good value: £3,915 (9%) under the AskCar estimate of £40,155, 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 4 November 2026.

AskCar lists 561 used BMW X6 from 391 UK dealerships, as of 4 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: 35,610 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 282 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 177 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 35,610 miles, this 2021 BMW X6 M Sport has covered about 11,800 fewer miles than other 2021 BMW X6 cars. Priced at £36,240, it is advertised £3,915 below the AskCar estimate of £40,155. The AskCar estimate uses UK dealer asking prices, including 547 BMW X6 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 113 days ago. Its asking price has since fallen by £1,940. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw Hyundai Warrington, based 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

Good value: £3,915 (9%) under the AskCar estimate of £40,155.

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 4 November 2026.

A 2021 BMW X6 with the 3.0 diesel engine is typically advertised at £37,900: the median of the 39 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW X6 has been on sale for at least 113 days.

Price history

AskCar first saw this advert on 14 July 2026 at £38,180. Its asking price is now £36,240, £1,940 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 14 July 2026: £38,180
  • 16 July 2026: £37,380
  • 25 August 2026: £37,370
  • 23 September 2026: £37,000
  • 7 October 2026: £36,970
  • 13 October 2026: £36,760
  • 20 October 2026: £36,610
  • 27 October 2026: £36,240

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 25 May 2027.

It has had 3 MOTs. The latest, on 26 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,238 miles, which matches the advertised 35,610 miles.

Advertised mileage is about 11,800 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X6 M Sport, 3.0 diesel SUV, green. Mileage: 34,886 miles. Price: £39,491, £3,251 more than this car. Dealer: David James in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-e4a95e96899c
  • 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 34,844 miles. Price: £43,500, £7,260 more than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-4acd75d3ff2a
  • 2021 BMW X6 M Sport, 3.0 diesel SUV. Mileage: 34,000 miles. Price: £37,895, £1,655 more than this car. Dealer: Prestige Performance (Yorkshire) in North Duffield. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-17855053ca5e
  • The nearest: 2021 BMW X6 M Sport, 3.0 diesel SUV, blue, 2 miles from this car. Mileage: 73,788 miles. Price: £36,649, £409 more than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-a569d2f3f08e

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

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Photos

38 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.