2021 BMW 8 Series Gran Coupe 3.0 840i M Sport

Version: 3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 4dr

Price: £28,980. Fair price: £550 (1%) under the AskCar estimate of £29,530, our expected asking price for this car from its model, age, mileage and specification, drawing on 123 priced BMW 8 Series Gran Coupe adverts on AskCar as of 30 October 2026.

AskCar lists 123 used BMW 8 Series Gran Coupe from 98 UK dealerships, as of 30 October 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
Mileage
55,000 miles
Year
2021
Fuel type
Petrol
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Seats
5
CO2
193 g/km
Colour
Black
Doors
4
Driven wheels
Rear Wheel Drive
Gearbox version
Steptronic
Engine badge
840i
Emissions standard
Euro 6

About this car

This 2021 BMW 8 Series Gran Coupe M Sport has covered 55,000 miles. Its asking price of £28,980 is £550 below the AskCar estimate of £29,530. The AskCar estimate uses UK dealer asking prices, including 123 BMW 8 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 2 days ago. Its recorded MOT is valid until 28 July 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by Oakdene Collection in Alfreton.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 28 October 2026, 2 days ago.

Recorded asking prices
Date observedAsking price
28 October 2026£28,980
30 October 2026£28,980

Price and mileage comparison

Fair price: £550 (1%) under the AskCar estimate of £29,530.

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 123 priced BMW 8 Series Gran Coupe adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 1,300 miles higher than the median mileage of a 2021 BMW 8 Series Gran Coupe on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 28 July 2027. 50,245 miles at the last test.

Other matching cars

20 other 2021 BMW 8 Series Gran Coupe M Sport automatic petrol cars are for sale at UK dealers from £21,985 to £37,995, as of 30 October 2026.

The 5 cheapest:

The 20 matching cars have covered 24,600 to 121,332 miles, compared with 55,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

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

More like this

Photos

50 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.