2021 BMW 8 Series Gran Coupe 3.0 840i M Sport

Price: £29,494. Good value: £5,023 (14%) under the AskCar estimate of £34,517, 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 840i M Sport Steptronic RWD Euro 6 (s/s) 4dr (328 bhp)
  • Year: 2021
  • Mileage: 25,764 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 328 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Rear-wheel drive
  • Colour: Orange
  • CO2: 195 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 25,764 miles on the clock, this 2021 BMW 8 Series Gran Coupe M Sport has done roughly 27,800 fewer miles than a typical 2021 BMW 8 Series Gran Coupe. Its asking price of £29,494 is £5,023 below the AskCar estimate of £34,517. The AskCar estimate uses UK dealer asking prices, including 120 BMW 8 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 131 days ago. Its asking price has since fallen by £3,801. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Shelbourne Motors Autoselect Newry, based in Newry. 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

Good value: £5,023 (14%) under the AskCar estimate of £34,517.

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 petrol 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 131 days.

Price history

AskCar first saw this advert on 30 June 2026 at £33,295. Its asking price is now £29,494, £3,801 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 30 June 2026: £33,295
  • 9 July 2026: £31,795
  • 23 July 2026: £31,995
  • 1 August 2026: £31,795
  • 10 August 2026: £31,495
  • 13 August 2026: £30,994
  • 20 August 2026: £30,495
  • 4 September 2026: £31,095
  • 16 September 2026: £32,494
  • 24 September 2026: £31,495
  • 2 October 2026: £30,994
  • 7 October 2026: £29,995
  • 17 October 2026: £29,895
  • 3 November 2026: £29,494

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 14 January 2027.

It has had 2 MOTs. The latest, on 15 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 25,532 miles, which matches the advertised 25,764 miles.

Advertised mileage is about 27,800 miles lower than the median mileage of a 2021 BMW 8 Series Gran Coupe on AskCar.

Similar cars

11 other 2021 BMW 8 Series Gran Coupe M Sport 3.0 petrol automatic saloons are for sale at UK dealers, from £22,995 to £30,990, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, black. Mileage: 39,915 miles. Price: £30,990, £1,496 more than this car. Dealer: Per4mance Cars in Macclesfield. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-f79b987024a8
  • 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, black. Mileage: 41,000 miles. Price: £27,989, £1,505 less than this car. Dealer: Zreik Motors in UB6 7DE. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-f7b9c50368ed
  • 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, grey. Mileage: 50,000 miles. Price: £27,490, £2,004 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-7d2e4c489928
  • The nearest: 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, orange, 164 miles from this car. Mileage: 107,300 miles. Price: £22,995, £6,499 less than this car. Dealer: Duman Autos in Livingston. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-f0e45b2e5028

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

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Photos

47 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.