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: 34,000 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• CO2: 177 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X6 M Sport is advertised with 34,000 miles, approximately 13,400 below the typical mileage for its age. Its asking price of £37,895 is £2,519 below the AskCar estimate of £40,414. 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 5 days ago. You can find this car at Prestige Performance (Yorkshire) in Selby. 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: £2,519 (6%) under the AskCar estimate of £40,414.

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

AskCar first saw this 2021 BMW X6 advertised 5 days ago.

Price history

AskCar first saw this advert on 31 October 2026 at £37,895. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 13,400 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 5 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, £496 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, blue. Mileage: 33,328 miles. Price: £39,980, £2,085 more than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-063edad623f3
• 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 34,844 miles. Price: £43,500, £5,605 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, grey, 24 miles from this car. Mileage: 81,956 miles. Price: £31,080, £6,815 less than this car. Dealer: Evans Halshaw Ford Hull East in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-4b2072a58e57