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: 30,121 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 is advertised with 30,121 miles on the clock. The AskCar estimate for this car is £54,006. It is priced at £53,000, which is £1,006 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 53 BMW X6 M cars across different ages and specifications. Since we first spotted the advert 72 days ago, the asking price has dropped by £2,000. Its advertised mileage matches the government's MOT record. You can find this car at Prestige Cars Kent in Orpington. 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: £1,006 (1%) under the AskCar estimate of £54,006.

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 53 priced BMW X6 M adverts across different ages and specifications, as of 5 November 2026.

Time on sale

This 2020 BMW X6 M has been on sale for at least 72 days.

Price history

AskCar first saw this advert on 25 August 2026 at £55,000. Its asking price is now £53,000, £2,000 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 25 August 2026: £55,000
• 11 September 2026: £54,000
• 2 October 2026: £53,500
• 9 October 2026: £53,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 21 January 2027.

It has had 4 MOTs. The latest, on 22 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 26,806 miles, which matches the advertised 30,121 miles.

Similar cars

6 other 2020 BMW X6 M Competition 4.4 petrol automatic SUVs are for sale at UK dealers, from £46,100 to £54,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X6 M Competition, 4.4 petrol SUV, blue. Mileage: 31,900 miles. Price: £53,995, £995 more than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2020-628cdf362b4e
• 2020 BMW X6 M Competition, 4.4 petrol SUV, black. Mileage: 35,200 miles. Price: £52,600, £400 less than this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2020-fd20837f8411
• 2020 BMW X6 M Competition, 4.4 petrol SUV, black. Mileage: 22,012 miles. Price: £54,995, £1,995 more than this car. Dealer: Switch Car Group in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-x6-m-2020-3fbeaaef33fe