2020 BMW X6 3.0 40i M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 40i M Sport Auto 4WD Euro 6 (s/s) 5dr (335 bhp)
• Year: 2020
• Mileage: 51,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 185 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X6 M Sport is advertised with 51,000 miles on the clock. Priced at £33,975, it is advertised £2,934 below the AskCar estimate of £36,909. The AskCar estimate uses UK dealer asking prices, including 547 BMW X6 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 161 days ago, the asking price has dropped by £2,000. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at PCBS Sales in Willenhall. 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: £2,934 (7%) under the AskCar estimate of £36,909.

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 petrol 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 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £35,975. Its asking price is now £33,975, £2,000 less. The latest price cut was seen on 29 August 2026.

Price changes recorded:

• 28 May 2026: £35,975
• 10 July 2026: £34,975
• 16 August 2026: £34,475
• 29 August 2026: £33,975

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 14 February 2027.

It has had 5 MOTs. The latest, on 2 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 49,365 miles, which matches the advertised 51,000 miles.

Advertised mileage is about 1,100 miles higher than the median mileage of a 2020 BMW X6 on AskCar.

Similar cars

6 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 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X6 M Sport, 3.0 petrol SUV, green. Mileage: 51,227 miles. Price: £39,650, £5,675 more than this car. Dealer: Berry Croydon BMW in Croydon. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-24722ddfb11a
• 2020 BMW X6 M Sport, 3.0 petrol SUV, white. Mileage: 49,562 miles. Price: £35,000, £1,025 more than this car. Dealer: ESP Cars in Long Eaton. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-143d3841d101
• 2020 BMW X6 M Sport, 3.0 petrol SUV, white. Mileage: 42,900 miles. Price: £34,490, £515 more than this car. Dealer: K Motors London in New Malden. AskCar page: https://askcar.co.uk/car/bmw-x6-2020-f5dbd4d1d0a4