2021 BMW 8 Series Gran Coupe 3.0 840i M Sport

Version: 3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 4dr (328 bhp)

Price: £29,995. Fair price: £1,489 (4%) under the AskCar estimate of £31,484, our expected asking price for this car from its model, age, mileage and specification, drawing on 121 priced BMW 8 Series Gran Coupe adverts on AskCar as of 31 October 2026.

AskCar lists 122 used BMW 8 Series Gran Coupe from 95 UK dealerships, as of 31 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 (328 bhp)
Mileage
49,427 miles
Year
2021
Fuel type
Petrol
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
328 bhp
Seats
5
CO2
195 g/km
Colour
Blue
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 is advertised with 49,427 miles, approximately 4,700 below the typical mileage for its age. Priced at £29,995, it is advertised £1,489 below the AskCar estimate of £31,484. 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 today. MOT records show an expiry date of 21 May 2027, and the latest recorded mileage is consistent with the advert. The seller is Group 1 BMW Lincoln, based in South Hykeham.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 31 October 2026.

Recorded asking prices
Date observedAsking price
31 October 2026£29,995

Price and mileage comparison

Fair price: £1,489 (4%) under the AskCar estimate of £31,484.

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 31 October 2026.

Advertised mileage is about 4,700 miles lower 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 21 May 2027. 46,876 miles at the last test.

Other matching cars

19 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 31 October 2026.

The 5 cheapest:

The 19 matching cars have covered 24,600 to 121,332 miles, compared with 49,427 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

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Photos

1 photo of this car is on its AskCar page.

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

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.