2021 BMW X6 3.0 M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 M Sport Auto 4WD Euro 6 5dr
• Year: 2021
• Mileage: 44,463 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X6 M Sport is advertised with 44,463 miles, approximately 2,900 below the typical mileage for its age. The dealer is asking £39,671, which is £2,232 above the AskCar estimate of £37,439. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. We have tracked this advert for 4 days. It is advertised by Berry Chiswick BMW in Brentford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,232 (5%) over the AskCar estimate of £37,439.

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 4 November 2026.

A 2021 BMW X6 with the 3.0 diesel engine is typically advertised at £37,900: the median of the 39 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 BMW X6 advertised 4 days ago.

Price history

AskCar first saw this advert on 31 October 2026 at £39,671. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 2,900 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 46,000 miles. Price: £37,495, £2,176 less than this car. Dealer: Autoscout 48 in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-20c3b8f63e36
• 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 46,450 miles. Price: £35,400, £4,271 less than this car. Dealer: Sytner Select Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-ffec2b6aab47
• 2021 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 46,701 miles. Price: £36,480, £3,191 less than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-191f77543b90

• The nearest: 2021 BMW X6 M Sport, 3.0 diesel SUV, black, 12 miles from this car. Mileage: 60,000 miles. Price: £40,995, £1,324 more than this car. Dealer: AH Specialist Cars in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-d605dfa56e8f