2021 BMW 8 Series Gran Coupe 3.0 840d MHT M Sport

Price: £33,299. Fair price: £1,540 (4%) under the AskCar estimate of £34,839, our expected asking price for this car from its model, age, mileage and specification, drawing on 120 priced BMW 8 Series Gran Coupe adverts on AskCar as of 8 November 2026.

AskCar lists 120 used BMW 8 Series Gran Coupe from 95 UK dealerships, as of 8 November 2026.

Overview

  • Make: BMW
  • Model: 8 Series Gran Coupe
  • Trim: M Sport
  • Version: 3.0 840d MHT M Sport Auto 4WD Euro 6 4dr (335 bhp)
  • Year: 2021
  • Mileage: 39,974 miles
  • Fuel: Diesel, mild hybrid
  • Body: Coupe, 4 doors, 5 seats
  • Engine: 3.0 litres, 335 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 172 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 39,974 miles, this 2021 BMW 8 Series Gran Coupe M Sport has covered about 13,600 fewer miles than other 2021 BMW 8 Series Gran Coupe cars. The dealer is asking £33,299, which is £1,540 below the AskCar estimate of £34,839. To work out the AskCar estimate, we analyse UK dealer adverts for 120 BMW 8 Series Gran Coupe cars across different ages and specifications. The asking price is now £900 lower than when we first recorded the advert 19 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by cinch in York. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,540 (4%) under the AskCar estimate of £34,839.

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 120 priced BMW 8 Series Gran Coupe adverts across different ages and specifications, as of 8 November 2026.

A 2021 BMW 8 Series Gran Coupe with the 3.0 diesel engine is typically advertised at £29,000: the median of the 25 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 BMW 8 Series Gran Coupe has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 20 October 2026 at £34,199. Its asking price is now £33,299, £900 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 20 October 2026: £34,199
  • 23 October 2026: £34,099
  • 28 October 2026: £33,999
  • 30 October 2026: £33,499
  • 6 November 2026: £33,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 23 September 2027.

It failed its MOT on 19 September 2026 (front registration plate does not conform to the specified requirements; rear registration plate does not conform to the specified requirements) and passed 3 days later, on 22 September 2026.

There were no advisories at the latest test.

Mileage at that test: 39,658 miles, which matches the advertised 39,974 miles.

Advertised mileage is about 13,600 miles lower than the median mileage of a 2021 BMW 8 Series Gran Coupe on AskCar.

Similar cars

1 other 2021 BMW 8 Series Gran Coupe M Sport 3.0 diesel automatic coupe is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

  • 2021 BMW 8 Series Gran Coupe M Sport, 3.0 diesel coupe, black. Mileage: 46,531 miles. Price: £32,494, £805 less than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-4ad9c18e3244

Browse all BMW 8 Series Gran Coupe cars for sale · 2021 BMW 8 Series Gran Coupe price guide

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Photos

36 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.