2021 BMW X6 3.0 40i MHT M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 xDrive40i MHT M Sport Auto 4WD Euro 6 5dr Step (Tech/Pro Pk) (328 bhp)
• Year: 2021
• Mileage: 32,286 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Green
• CO2: 207 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 32,286 miles, this 2021 BMW X6 M Sport has covered about 16,200 fewer miles than other 2021 BMW X6 cars. The dealer is asking £44,000, which is £72 below the AskCar estimate of £44,072. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. It first appeared in our advert records 13 days ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Tring BMW, based in COW Roast. 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: £72 (under 1%) under the AskCar estimate of £44,072.

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 13 days.

Price history

AskCar first saw this advert on 24 October 2026 at £44,000. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 15 November 2026.

It failed its MOT on 3 November 2025 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; nearside front upper windscreen damaged but not adversely affecting driver's view) and passed 1 day later, on 4 November 2025.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords; offside front tyre has a cut but not deep enough to reach the ply or cords; nearside front upper windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 26,043 miles, which matches the advertised 32,286 miles.

Advertised mileage is about 16,200 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 £42,476, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X6 M Sport, 3.0 petrol SUV, black. Mileage: 31,129 miles. Price: £42,476, £1,524 less 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, grey. Mileage: 37,189 miles. Price: £40,993, £3,007 less than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-e65851833fbb
• 2021 BMW X6 M Sport, 3.0 petrol SUV, white. Mileage: 27,000 miles. Price: £41,890, £2,110 less than this car. Dealer: Sytner Sheffield BMW in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-76d748faf9d7