2021 BMW 8 Series Gran Coupe 3.0 840i M Sport

Overview

• Make: BMW
• Model: 8 Series Gran Coupe
• Trim: M Sport
• Version: 3.0 840i sDrive M Sport Auto RWD Euro 6 4dr (333) (328 bhp)
• Year: 2021
• Mileage: 50,194 miles
• Fuel: Petrol
• Body: Coupe, 4 doors, 5 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 192 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 8 Series Gran Coupe M Sport is advertised with 50,194 miles, approximately 4,300 below the typical mileage for its age. Priced at £29,999, it is advertised £2,560 below the AskCar estimate of £32,559. The AskCar estimate uses 121 UK dealer adverts for the BMW 8 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 5 days ago. Its advertised mileage matches the government's MOT record. The seller is Group 1 BMW Lincoln, based in South Hykeham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,560 (7%) under the AskCar estimate of £32,559.

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 121 priced BMW 8 Series Gran Coupe adverts across different ages and specifications, as of 5 November 2026.

A 2021 BMW 8 Series Gran Coupe with the 3.0 petrol engine is typically advertised at £29,200: the median of the 25 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2021 BMW 8 Series Gran Coupe advertised 5 days ago.

Price history

AskCar first saw this advert on 31 October 2026 at £29,995. Its asking price is now £29,999, £4 more.

Price changes recorded:

• 31 October 2026: £29,995
• 3 November 2026: £29,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 21 May 2027.

It failed its MOT on 18 May 2026 (nearside front inner road wheel fractured) and passed 1 day later, on 19 May 2026.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 46,876 miles, which matches the advertised 50,194 miles.

Advertised mileage is about 4,300 miles lower than the median mileage of a 2021 BMW 8 Series Gran Coupe on AskCar.

Similar cars

7 other 2021 BMW 8 Series Gran Coupe M Sport 3.0 petrol automatic coupes are for sale at UK dealers, from £21,985 to £36,000, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, blue. Mileage: 53,660 miles. Price: £28,500, £1,499 less than this car. Dealer: Marshall Motor Group Maidstone Audi in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-76a10b96d50b
• 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, grey. Mileage: 45,550 miles. Price: £29,990, the same price as this car. Dealer: Parker Prestige in Richmond. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-1223e044d4ba
• 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, black. Mileage: 59,454 miles. Price: £29,250, £749 less than this car. Dealer: Sytner Stevenage BMW in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-ca30c7d004af

• The nearest: 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, grey, 28 miles from this car. Mileage: 121,332 miles. Price: £22,795, £7,204 less than this car. Dealer: SZ Motor Group in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-c6aaaf71dc6a