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: 75,000 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 75,000 miles, approximately 27,600 above the typical mileage for its age. The dealer is asking £31,500, which is £943 below the AskCar estimate of £32,443. 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 13 days ago. The government's MOT record matches its advertised mileage. You can find this car at Auto 2000 in Epping. 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: £943 (2%) under the AskCar estimate of £32,443.

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 13 days.

Price history

AskCar first saw this advert on 22 October 2026 at £31,500. 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 4 November 2026: valid until 6 August 2027.

It failed its MOT on 7 August 2026 (front registration plate does not conform to the specified requirements; rear registration plate does not conform to the specified requirements) and passed later the same day.

Advisories at the latest test: nearside front brake disc worn, pitted or scored, but not seriously weakened; offside front brake disc worn, pitted or scored, but not seriously weakened; nearside rear brake disc worn, pitted or scored, but not seriously weakened; and 1 more.

Mileage at that test: 73,445 miles, which matches the advertised 75,000 miles.

Advertised mileage is about 27,600 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, grey. Mileage: 75,000 miles. Price: £34,995, £3,495 more than this car. Dealer: Car Quay in Derby. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-5b93625a3703
• 2021 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 73,788 miles. Price: £36,649, £5,149 more than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-a569d2f3f08e
• 2021 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 71,472 miles. Price: £32,995, £1,495 more than this car. Dealer: Lookers in Newtownards. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-eeabed12dd53

• The nearest: 2021 BMW X6 M Sport, 3.0 diesel SUV, black, 21 miles from this car. Mileage: 57,812 miles. Price: £40,911, £9,411 more than this car. Dealer: Essex Car Store in Braintree. AskCar page: https://askcar.co.uk/car/bmw-x6-2021-6add725da079