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 M Sport Steptronic RWD Euro 6 (s/s) 4dr (328 bhp)
• Year: 2021
• Mileage: 67,388 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 195 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 67,388 miles, this 2021 BMW 8 Series Gran Coupe M Sport has covered about 13,300 more miles than other 2021 BMW 8 Series Gran Coupe cars. The dealer is asking £25,985, which is £1,650 below the AskCar estimate of £27,635. To work out the AskCar estimate, we analyse UK dealer adverts for 121 BMW 8 Series Gran Coupe cars across different ages and specifications. We have tracked this advert for 162 days. The recorded MOT expired on 28 May 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. The seller is Bayer Car Sales, based in Fareham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,650 (5%) under the AskCar estimate of £27,635.

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 6 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 6 November 2026.

Time on sale

This 2021 BMW 8 Series Gran Coupe has been on sale for at least 162 days.

Price history

AskCar first saw this advert on 28 May 2026 at £25,985. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 28 May 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 29 May 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 48,098 miles, which matches the advertised 67,388 miles.

Advertised mileage is about 13,300 miles higher 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 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, black. Mileage: 65,891 miles. Price: £29,800, £3,815 more than this car. Dealer: Elton Cars in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-1fc2b4d1f225
• 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, black. Mileage: 65,186 miles. Price: £29,991, £4,006 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-ea60e5f8b63f
• 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, black. Mileage: 55,000 miles. Price: £28,840, £2,855 more than this car. Dealer: Oakdene Collection in Alfreton. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-586b83305495

• The nearest: 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, white, 91 miles from this car. Mileage: 105,000 miles. Price: £23,495, £2,490 less than this car. Dealer: Goldstone Cars in Kempston. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-6157f05c887f