2021 BMW 8 Series Gran Coupe 3.0 840i

Overview

• Make: BMW
• Model: 8 Series Gran Coupe
• Version: 3.0 840i Steptronic RWD Euro 6 (s/s) 4dr (335 bhp)
• Year: 2021
• Mileage: 81,345 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 196 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 8 Series Gran Coupe is advertised with 81,345 miles, approximately 27,300 above the typical mileage for its age. The AskCar estimate for this car is £25,295. It is priced at £24,950, which is £345 below that estimate. The AskCar estimate draws on 121 BMW 8 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 51 days ago, and its asking price has since fallen by £50. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Beechwood Autos in Sutton-in-Ashfield. 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: £345 (1%) under the AskCar estimate of £25,295.

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 51 days.

Price history

AskCar first saw this advert on 16 September 2026 at £25,000. Its asking price is now £24,950, £50 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 16 September 2026: £25,000
• 28 October 2026: £24,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 9 June 2027.

It failed its MOT on 20 May 2026 (front registration plate does not conform to the specified requirements; rear registration plate does not conform to the specified requirements; nearside front tyre has a bulge, caused by separation or partial failure of its structure; and 2 more) and passed 2 days later, on 22 May 2026.

There were no advisories at the latest test.

Mileage at that test: 77,932 miles, which matches the advertised 81,345 miles.

Advertised mileage is about 27,300 miles higher than the median mileage of a 2021 BMW 8 Series Gran Coupe on AskCar.