2020 BMW 6 Series Gran Turismo 2.0 620d M Sport

Overview

• Make: BMW
• Model: 6 Series Gran Turismo
• Trim: M Sport
• Version: 2.0 620d M Sport Auto RWD Euro 6 (s/s) 5dr GT (187 bhp)
• Year: 2020
• Mileage: 48,442 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 6 Series Gran Turismo M Sport is advertised with 48,442 miles on the clock. Its asking price of £20,950 is £1,089 above the AskCar estimate of £19,861. The AskCar estimate uses UK dealer asking prices, including 77 BMW 6 Series Gran Turismo adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 46 days ago. Its asking price has since fallen by £2,000. Our latest MOT record expired on 16 June 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at JKC BMW in Coleraine. 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: £1,089 (5%) over the AskCar estimate of £19,861.

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 77 priced BMW 6 Series Gran Turismo adverts across different ages and specifications, as of 10 November 2026.

Time on sale

This 2020 BMW 6 Series Gran Turismo has been on sale for at least 46 days.

Price history

AskCar first saw this advert on 25 September 2026 at £22,950. Its asking price is now £20,950, £2,000 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 25 September 2026: £22,950
• 3 October 2026: £21,950
• 8 October 2026: £21,450
• 30 October 2026: £20,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: the latest record we hold ran out on 16 June 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 9 June 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 41,394 miles, which matches the advertised 48,442 miles.

Similar cars

6 other 2020 BMW 6 Series Gran Turismo M Sport 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £14,795 to £19,889, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 6 Series Gran Turismo M Sport, 2.0 diesel hatchback, black. Mileage: 48,000 miles. Price: £19,495, £1,455 less than this car. Dealer: DGA Cars in Downham Market. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2020-8966547ca4f6
• 2020 BMW 6 Series Gran Turismo M Sport, 2.0 diesel hatchback, white. Mileage: 51,471 miles. Price: £19,889, £1,061 less than this car. Dealer: Brindley Garages Brindley MG Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2020-d772e71955d3
• 2020 BMW 6 Series Gran Turismo M Sport, 2.0 diesel hatchback, blue. Mileage: 61,820 miles. Price: £16,999, £3,951 less than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2020-e30f02de5ef5

• The nearest: 2020 BMW 6 Series Gran Turismo M Sport, 2.0 diesel hatchback, white, 104 miles from this car. Mileage: 69,838 miles. Price: £18,498, £2,452 less than this car. Dealer: Arnold Clark Glasgow South Street Chery in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2020-7af3484be8ee