2021 BMW X7 3.0 40d MHT M Sport

Overview

• Make: BMW
• Model: X7
• Trim: M Sport
• Version: 3.0 xDrive40d MHT M Sport Auto 4WD Euro 6 5dr (335 bhp)
• Year: 2021
• Mileage: 48,000 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 6 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X7 M Sport has covered 48,000 miles, around 9,300 fewer miles than is typical for its age. Priced at £40,000, it is advertised £5,504 below the AskCar estimate of £45,504. The AskCar estimate uses UK dealer asking prices, including 403 BMW X7 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 110 days ago, and its asking price has since fallen by £6,500. Its advertised mileage matches the government's MOT record. You can find this car at Selsdon Motors in South Croydon. 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

Good value: £5,504 (12%) under the AskCar estimate of £45,504.

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 403 priced BMW X7 adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW X7 with the 3.0 diesel engine is typically advertised at £46,000: the median of the 27 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW X7 has been on sale for at least 110 days.

Price history

AskCar first saw this advert on 17 July 2026 at £46,500. Its asking price is now £40,000, £6,500 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

• 17 July 2026: £46,500
• 15 August 2026: £44,990
• 17 September 2026: £42,990
• 13 October 2026: £40,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 21 August 2027.

It has had one MOT, on 22 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 48,084 miles, which matches the advertised 48,000 miles.

Advertised mileage is about 9,300 miles lower than the median mileage of a 2021 BMW X7 on AskCar.

Similar cars

22 other 2021 BMW X7 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £39,680 to £51,497, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X7 M Sport, 3.0 diesel SUV, blue. Mileage: 49,000 miles. Price: £46,990, £6,990 more than this car. Dealer: Sycamore BMW in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x7-2021-2ba825dd19f3
• 2021 BMW X7 M Sport, 3.0 diesel SUV, black. Mileage: 47,000 miles. Price: £46,995, £6,995 more than this car. Dealer: Barretts BMW Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/bmw-x7-2021-20fe962f5aa8
• 2021 BMW X7 M Sport, 3.0 diesel SUV, grey. Mileage: 49,500 miles. Price: £46,999, £6,999 more than this car. Dealer: A&M Cars South in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/bmw-x7-2021-b8fdb94a8191

• The nearest: 2021 BMW X7 M Sport, 3.0 diesel SUV, black, 13 miles from this car. Mileage: 67,699 miles. Price: £45,271, £5,271 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x7-2021-fdab17593df5