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: 48,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 6 Series Gran Turismo M Sport has covered 48,000 miles. The dealer is asking £19,495, which is £401 below the AskCar estimate of £19,896. To work out the AskCar estimate, we analyse UK dealer adverts for 77 BMW 6 Series Gran Turismo cars across different ages and specifications. We first saw this car advertised 125 days ago. Its asking price has since fallen by £2,000. The government's MOT record matches its advertised mileage. You can find this car at DGA Cars in Downham Market. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Fair price: £401 (2%) under the AskCar estimate of £19,896.

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 11 November 2026.

Time on sale

This 2020 BMW 6 Series Gran Turismo has been on sale for at least 125 days.

Price history

AskCar first saw this advert on 9 July 2026 at £21,495. Its asking price is now £19,495, £2,000 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 9 July 2026: £21,495
• 12 September 2026: £20,995
• 24 September 2026: £20,495
• 1 October 2026: £19,995
• 14 October 2026: £20,495
• 28 October 2026: £19,995
• 5 November 2026: £19,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 11 November 2026: valid until 16 February 2027.

It has had 4 MOTs. The latest, on 17 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,003 miles, which matches the advertised 48,000 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 £20,950, as of 11 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 6 Series Gran Turismo M Sport, 2.0 diesel hatchback, grey. Mileage: 48,442 miles. Price: £20,950, £1,455 more than this car. Dealer: JKC BMW in Coleraine. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2020-052eb147a537
• 2020 BMW 6 Series Gran Turismo M Sport, 2.0 diesel hatchback, white. Mileage: 51,471 miles. Price: £19,889, £394 more 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: £16,899, £2,596 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, black, 59 miles from this car. Mileage: 98,480 miles. Price: £14,795, £4,700 less than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2020-74a88de5aedd