2020 BMW 6 Series Gran Turismo 2.0 620d M Sport

Price: £17,200. Fair price: £939 (5%) under the AskCar estimate of £18,139, our expected asking price for this car from its model, age, mileage and specification, drawing on 77 priced BMW 6 Series Gran Turismo adverts on AskCar as of 11 November 2026.

AskCar lists 77 used BMW 6 Series Gran Turismo from 68 UK dealerships, as of 11 November 2026.

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: 63,745 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 63,745 miles. Priced at £17,200, it is advertised £939 below the AskCar estimate of £18,139. The AskCar estimate draws on 77 BMW 6 Series Gran Turismo adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 74 days ago. Its asking price has since fallen by £1,800. The government's MOT record matches its advertised mileage. You can find this car at Car Planet Watford in Rickmansworth. 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

Car Planet Watford is rated 4.6 out of 5 on Google.

Price

Fair price: £939 (5%) under the AskCar estimate of £18,139.

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 74 days.

Price history

AskCar first saw this advert on 29 August 2026 at £19,000. Its asking price is now £17,200, £1,800 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 29 August 2026: £19,000
  • 18 September 2026: £18,700
  • 24 September 2026: £18,400
  • 5 October 2026: £18,100
  • 11 October 2026: £17,800
  • 17 October 2026: £17,500
  • 23 October 2026: £17,200

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 11 November 2026: valid until 25 February 2027.

It has had 6 MOTs. The latest, on 17 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 57,455 miles, which matches the advertised 63,745 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, blue. Mileage: 61,820 miles. Price: £16,899, £301 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
  • 2020 BMW 6 Series Gran Turismo M Sport, 2.0 diesel hatchback, white. Mileage: 69,838 miles. Price: £18,498, £1,298 more 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
  • 2020 BMW 6 Series Gran Turismo M Sport, 2.0 diesel hatchback, white. Mileage: 51,471 miles. Price: £19,889, £2,689 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
  • The nearest: 2020 BMW 6 Series Gran Turismo M Sport, 2.0 diesel hatchback, black, 19 miles from this car. Mileage: 98,480 miles. Price: £14,795, £2,405 less than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2020-74a88de5aedd

Browse all BMW 6 Series Gran Turismo cars for sale · 2020 BMW 6 Series Gran Turismo price guide

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Photos

41 photos of this car are on its AskCar page.

As of 11 November 2026, AskCar lists 593,449 cars and vans from 12,847 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.