2021 BMW X6 3.0 40d MHT M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 MHT M Sport Auto 4WD Euro 6 5dr (335 bhp)
• Year: 2021
• Mileage: 75,000 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 194 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 75,000 miles on the clock, this 2021 BMW X6 M Sport has done roughly 27,600 more miles than a typical 2021 BMW X6. Priced at £34,995, it is advertised £531 above the AskCar estimate of £34,464. The AskCar estimate draws on 547 BMW X6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 74 days ago, and its asking price has since fallen by £2,000. Its advertised mileage matches the government's MOT record. You can find this car at Car Quay in Derby. 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: £531 (1%) over the AskCar estimate of £34,464.

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 74 days.

Price history

AskCar first saw this advert on 23 August 2026 at £36,995. Its asking price is now £34,995, £2,000 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 23 August 2026: £36,995
• 22 October 2026: £34,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 12 January 2027.

It has had 2 MOTs. The latest, on 13 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 72,763 miles, which matches the advertised 75,000 miles.

Advertised mileage is about 27,600 miles higher 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, black. Mileage: 75,000 miles. Price: £31,500, £3,495 less than this car. Dealer: Auto 2000 in Havering. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-af77b1097200
• 2021 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 73,788 miles. Price: £36,649, £1,654 more than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-a569d2f3f08e
• 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 71,472 miles. Price: £32,995, £2,000 less than this car. Dealer: Lookers in Newtownards. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-eeabed12dd53

• The nearest: 2021 BMW X6 M Sport, 3.0 diesel SUV, black, 10 miles from this car. Mileage: 63,733 miles. Price: £36,500, £1,505 more than this car. Dealer: ESP Cars in Long Eaton. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-f4103bf7884a