2021 BMW X6 3.0 M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 MHT M Sport Auto 4WD Euro 6 5dr
• Year: 2021
• Mileage: 38,709 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 188 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X6 M Sport has covered 38,709 miles, around 11,800 fewer miles than is typical for its age. Its asking price of £40,998 is £681 above the AskCar estimate of £40,317. To work out the AskCar estimate, we analyse UK dealer adverts for 543 BMW X6 cars across different ages and specifications. We first saw this car advertised 71 days ago. Its asking price has since fallen by £1,001. Our latest MOT record expired on 6 October 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. You can find this car at Eastern Western Motor Group Grassicks BMW in Perth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £681 (1%) over the AskCar estimate of £40,317.

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 543 priced BMW X6 adverts across different ages and specifications, as of 8 November 2026.

A 2021 BMW X6 with the 3.0 diesel engine is typically advertised at £38,000: the median of the 39 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 BMW X6 has been on sale for at least 71 days.

Price history

AskCar first saw this advert on 29 August 2026 at £41,999. Its asking price is now £40,998, £1,001 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 29 August 2026: £41,999
• 18 September 2026: £41,498
• 14 October 2026: £40,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 6 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 1 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 28,438 miles, which matches the advertised 38,709 miles.

Advertised mileage is about 11,800 miles lower than the median mileage of a 2021 BMW X6 on AskCar.

Similar cars

30 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 8 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 35,610 miles. Price: £36,240, £4,758 less than this car. Dealer: Evans Halshaw Hyundai Warrington in Warrington. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-c26e7147b608
• 2021 BMW X6 M Sport, 3.0 diesel SUV, green. Mileage: 34,886 miles. Price: £39,491, £1,507 less than this car. Dealer: David James in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-e4a95e96899c
• 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 34,844 miles. Price: £43,500, £2,502 more than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-4acd75d3ff2a