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: 121,332 miles
• Fuel: Petrol
• Body: Coupe, 4 doors, 5 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• 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 121,332 miles, approximately 67,700 above the typical mileage for its age. Its asking price of £22,795 is £2,821 above the AskCar estimate of £19,974. The AskCar estimate draws on 120 BMW 8 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 26 days ago. Its advertised mileage matches the government's MOT record. The seller is SZ Motor Group, based in Nottingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,821 (14%) over the AskCar estimate of £19,974.

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 7 November 2026.

A 2021 BMW 8 Series Gran Coupe with the 3.0 petrol engine is typically advertised at £29,100: the median of the 24 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 BMW 8 Series Gran Coupe has been on sale for at least 26 days.

Price history

AskCar first saw this advert on 12 October 2026 at £22,795. Its asking price has not changed.

Price changes recorded:

• 13 October 2026: £22,795
• 15 October 2026: £21,795
• 22 October 2026: £21,995
• 24 October 2026: £20,795
• 25 October 2026: £21,940
• 28 October 2026: £22,795
• 30 October 2026: £22,495
• 31 October 2026: £21,995
• 1 November 2026: £21,795
• 5 November 2026: £22,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 6 March 2027.

It has had 3 MOTs. The latest, on 6 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 107,266 miles, which matches the advertised 121,332 miles.

Advertised mileage is about 67,700 miles higher than the median mileage of a 2021 BMW 8 Series Gran Coupe on AskCar.

Similar cars

8 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 7 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, orange. Mileage: 107,000 miles. Price: £21,985, £810 less than this car. Dealer: Brooklands Motor Centre in Leeds. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-ad2bbe1cf609
• 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, black. Mileage: 65,356 miles. Price: £33,000, £10,205 more than this car. Dealer: Sytner Stevenage BMW in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-d172ec7d612b
• 2021 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, black. Mileage: 59,454 miles. Price: £29,250, £6,455 more 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, blue, 28 miles from this car. Mileage: 50,194 miles. Price: £28,995, £6,200 more than this car. Dealer: Group 1 BMW Lincoln in Lincoln. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2021-e6d718ea21fd