2021 BMW X6 3.0 30d MHT M Sport

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: 33,328 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

At 33,328 miles, this 2021 BMW X6 M Sport has covered about 14,100 fewer miles than other 2021 BMW X6 cars. Priced at £39,980, it is advertised £613 below the AskCar estimate of £40,593. 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 67 days ago, and its asking price has since fallen by £810. The government's MOT record matches its advertised mileage. It is for sale at Phantom Motor Company in Wigan. 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

Fair price: £613 (1%) under the AskCar estimate of £40,593.

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 67 days.

Price history

AskCar first saw this advert on 29 August 2026 at £40,790. Its asking price is now £39,980, £810 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 29 August 2026: £40,790
• 17 October 2026: £39,980

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 2 February 2027.

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

There were no advisories at the latest test.

Mileage at that test: 28,132 miles, which matches the advertised 33,328 miles.

Advertised mileage is about 14,100 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, black. Mileage: 33,420 miles. Price: £37,399, £2,581 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-7afcb84950c4
• 2021 BMW X6 M Sport, 3.0 diesel SUV. Mileage: 34,000 miles. Price: £37,895, £2,085 less than this car. Dealer: Prestige Performance (Yorkshire) in North Duffield. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-17855053ca5e
• 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 34,844 miles. Price: £43,500, £3,520 more than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-4acd75d3ff2a

• The nearest: 2021 BMW X6 M Sport, 3.0 diesel SUV, black, under a mile from this car. Mileage: 46,701 miles. Price: £36,480, £3,500 less than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-191f77543b90