2020 BMW X6 3.0 30d M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
• Year: 2020
• Mileage: 90,416 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 203 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 90,416 miles on the clock, this 2020 BMW X6 M Sport has done roughly 40,500 more miles than a typical 2020 BMW X6. Its asking price of £27,495 is £1,121 below the AskCar estimate of £28,616. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. We first saw this car advertised 67 days ago. Its asking price has since fallen by £2,455. The government's MOT record matches its advertised mileage. You can find this car at James Richards Car Sales in Stevenage. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,121 (3%) under the AskCar estimate of £28,616.

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 5 November 2026.

A 2020 BMW X6 with the 3.0 diesel engine is typically advertised at £36,000: the median of the 39 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW X6 has been on sale for at least 67 days.

Price history

AskCar first saw this advert on 30 August 2026 at £29,950. Its asking price is now £27,495, £2,455 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 30 August 2026: £29,950
• 9 September 2026: £29,495
• 30 September 2026: £28,950
• 4 October 2026: £28,495
• 9 October 2026: £27,950
• 20 October 2026: £27,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 9 March 2027.

It has had 5 MOTs. The latest, on 16 February 2026, passed.

Advisories at the latest test: offside front suspension arm pin or bush worn but not resulting in excessive movement trailing arm.

Mileage at that test: 89,768 miles, which matches the advertised 90,416 miles.

Advertised mileage is about 40,500 miles higher than the median mileage of a 2020 BMW X6 on AskCar.

Similar cars

18 other 2020 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £30,995 to £41,991, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 88,541 miles. Price: £31,990, £4,495 more than this car. Dealer: Motor Gurus in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-0fb05f09130f
• 2020 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 73,391 miles. Price: £31,495, £4,000 more than this car. Dealer: Euroway Leisure in Bradford. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-595ed195391e
• 2020 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 72,400 miles. Price: £30,995, £3,500 more than this car. Dealer: Northbank Prestige & Performance in Droitwich Spa. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-951c79a15ba7

• The nearest: 2020 BMW X6 M Sport, 3.0 diesel SUV, white, 7 miles from this car. Mileage: 48,122 miles. Price: £36,000, £8,505 more than this car. Dealer: Sonny Adams Motor Company in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-236aba997950