2020 BMW X6 M 4.4 i V8 Competition

Overview

• Make: BMW
• Model: X6 M
• Trim: Competition
• Version: 4.4 i V8 Competition Auto 4WD Euro 6 (s/s) 5dr (616 bhp)
• Year: 2020
• Mileage: 58,647 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.4 litres, 616 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 303 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X6 M Competition has covered 58,647 miles. Its asking price of £47,990 is £1,902 above the AskCar estimate of £46,088. The AskCar estimate uses UK dealer asking prices, including 54 BMW X6 M adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 127 days ago. Its asking price has since fallen by £3,000. The government's MOT record matches its advertised mileage. It is advertised by Auto Unit in Newport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,902 (4%) over the AskCar estimate of £46,088.

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 54 priced BMW X6 M adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2020 BMW X6 M has been on sale for at least 127 days.

Price history

AskCar first saw this advert on 2 July 2026 at £50,990. Its asking price is now £47,990, £3,000 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 2 July 2026: £50,990
• 23 July 2026: £49,990
• 28 July 2026: £52,799
• 31 July 2026: £49,990
• 23 September 2026: £49,490
• 11 October 2026: £48,990
• 28 October 2026: £48,490
• 2 November 2026: £47,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 1 December 2026.

It failed its MOT on 25 November 2025 (front brake pad(s) less than 1.5 mm thick both sides) and passed 7 days later, on 2 December 2025.

There were no advisories at the latest test.

Mileage at that test: 54,201 miles, which matches the advertised 58,647 miles.

Similar cars

6 other 2020 BMW X6 M Competition 4.4 petrol automatic SUVs are for sale at UK dealers, from £45,900 to £54,995, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X6 M Competition, 4.4 petrol SUV, black. Mileage: 49,000 miles. Price: £51,990, £4,000 more than this car. Dealer: Benz Bavarian in Derby. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2020-bf537c4c869f
• 2020 BMW X6 M Competition, 4.4 petrol SUV, black. Mileage: 46,692 miles. Price: £45,900, £2,090 less than this car. Dealer: Marshall BMW Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2020-fbf69bbbc329
• 2020 BMW X6 M Competition, 4.4 petrol SUV, black. Mileage: 35,200 miles. Price: £52,600, £4,610 more than this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2020-fd20837f8411