2020 BMW X6 3.0 40i M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 xDrive40i M Sport Auto 4WD Euro 6 5dr (335 bhp)
• Year: 2020
• Mileage: 40,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 230 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 40,000 miles on the clock, this 2020 BMW X6 M Sport has done roughly 10,600 fewer miles than a typical 2020 BMW X6. The dealer is asking £36,995, which is £480 below the AskCar estimate of £37,475. To work out the AskCar estimate, we analyse UK dealer adverts for 544 BMW X6 cars across different ages and specifications. This car was first seen in our listings data today. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Bespoke Motor Works in Stockton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £480 (1%) under the AskCar estimate of £37,475.

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 544 priced BMW X6 adverts across different ages and specifications, as of 10 November 2026.

A 2020 BMW X6 with the 3.0 petrol engine is typically advertised at £36,000: the median of the 39 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2020 BMW X6 advertised today.

Price history

AskCar first saw this advert on 10 November 2026 at £36,995. 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 10 November 2026: valid until 30 April 2027.

It has had 4 MOTs. The latest, on 9 April 2026, passed.

Advisories at the latest test: nearside front brake disc worn, pitted or scored, but not seriously weakened inner side; offside front brake disc worn, pitted or scored, but not seriously weakened inner side.

Mileage at that test: 38,273 miles, which matches the advertised 40,000 miles.

Advertised mileage is about 10,600 miles lower than the median mileage of a 2020 BMW X6 on AskCar.

Similar cars

7 other 2020 BMW X6 M Sport 3.0 petrol automatic SUVs are for sale at UK dealers, from £30,500 to £39,650, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X6 M Sport, 3.0 petrol SUV, blue. Mileage: 41,000 miles. Price: £34,000, £2,995 less than this car. Dealer: Bespoke Automotive in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-33c2bca87923
• 2020 BMW X6 M Sport, 3.0 petrol SUV, white. Mileage: 42,900 miles. Price: £33,490, £3,505 less than this car. Dealer: K Motors London in New Malden. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-f5dbd4d1d0a4
• 2020 BMW X6 M Sport, 3.0 petrol SUV, white. Mileage: 49,562 miles. Price: £35,000, £1,995 less than this car. Dealer: ESP Cars in Long Eaton. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-143d3841d101

• The nearest: 2020 BMW X6 M Sport, 3.0 petrol SUV, black, 50 miles from this car. Mileage: 80,829 miles. Price: £30,500, £6,495 less than this car. Dealer: JCT600 Approved Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-bafd54cebdf8