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: 60,000 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 177 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X6 M Sport is advertised with 60,000 miles, approximately 12,600 above the typical mileage for its age. Priced at £40,995, it is advertised £5,230 above the AskCar estimate of £35,765. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. This car was first seen in our listings data 16 days ago. It is for sale at AH Specialist Cars in Watford. 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

Above the going rate: £5,230 (14%) over the AskCar estimate of £35,765.

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

This 2021 BMW X6 has been on sale for at least 16 days.

Price history

AskCar first saw this advert on 19 October 2026 at £40,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 12,600 miles higher 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: 57,812 miles. Price: £40,911, £84 less than this car. Dealer: Essex Car Store in Braintree. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-6add725da079
• 2021 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 63,733 miles. Price: £36,500, £4,495 less than this car. Dealer: ESP Cars in Long Eaton. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-f4103bf7884a
• 2021 BMW X6 M Sport, 3.0 diesel SUV, green. Mileage: 64,900 miles. Price: £37,850, £3,145 less than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-d8b89ca23fd5

• The nearest: 2021 BMW X6 M Sport, 3.0 diesel SUV, black, 8 miles from this car. Mileage: 46,000 miles. Price: £37,495, £3,500 less than this car. Dealer: Autoscout 48 in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-20c3b8f63e36