2021 BMW X6 3.0 40i MHT M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 MHT M Sport Auto 4WD Euro 6 5dr
• Year: 2021
• Mileage: 37,189 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 209 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 37,189 miles on the clock, this 2021 BMW X6 M Sport has done roughly 11,300 fewer miles than a typical 2021 BMW X6. The dealer is asking £40,993, which is £1,075 below the AskCar estimate of £42,068. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. Since we first spotted the advert 41 days ago, the asking price has dropped by £997. Its advertised mileage matches the government's MOT record. You can find this car at Partridge BMW in Eastleigh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,075 (2%) under the AskCar estimate of £42,068.

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 6 November 2026.

A 2021 BMW X6 with the 3.0 petrol engine is typically advertised at £37,900: the median of the 39 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 BMW X6 has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 26 September 2026 at £41,990. Its asking price is now £40,993, £997 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 26 September 2026: £41,990
• 15 October 2026: £41,691
• 28 October 2026: £41,392
• 4 November 2026: £40,993

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 23 April 2027.

It has had 3 MOTs. The latest, on 24 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,640 miles, which matches the advertised 37,189 miles.

Advertised mileage is about 11,300 miles lower than the median mileage of a 2021 BMW X6 on AskCar.

Similar cars

4 other 2021 BMW X6 M Sport 3.0 petrol automatic SUVs are for sale at UK dealers, from £40,290 to £44,000, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X6 M Sport, 3.0 petrol SUV, green. Mileage: 32,286 miles. Price: £44,000, £3,007 more than this car. Dealer: Sytner Tring BMW in Tring. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-cc56957820a8
• 2021 BMW X6 M Sport, 3.0 petrol SUV, black. Mileage: 31,129 miles. Price: £42,476, £1,483 more than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-3f6eeccc4e0f
• 2021 BMW X6 M Sport, 3.0 petrol SUV, white. Mileage: 27,000 miles. Price: £41,890, £897 more than this car. Dealer: Sytner Sheffield BMW in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-76d748faf9d7