2023 BMW 8 Series Gran Coupe 3.0 840i M Sport

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

Price: £38,650. Fair price: £31 (under 1%) over the AskCar estimate of £38,619, 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 29 October 2026.

AskCar lists 121 used BMW 8 Series Gran Coupe from 97 UK dealerships, as of 29 October 2026.

Overview

Make
BMW
Model
8 Series Gran Coupe
Trim
M Sport
Version
3.0 840i M Sport Auto RWD Euro 6 4dr (328 bhp)
Mileage
21,354 miles
Year
2023
Fuel type
Petrol
Body type
Coupe
Engine
3.0 L
Gearbox
Automatic
Power
328 bhp
Seats
5
CO2
194 g/km
Colour
Green
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
840i
Emissions standard
Euro 6

About this car

At 21,354 miles, this 2023 BMW 8 Series Gran Coupe M Sport has covered about 3,900 fewer miles than other 2023 BMW 8 Series Gran Coupe cars. Its asking price of £38,650 is £31 above the AskCar estimate of £38,619. The AskCar estimate draws on 121 BMW 8 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 40 days ago, the asking price has dropped by £1,350. The seller is Sandal BMW Wakefield, based in Wakefield.

Stock data as of 29 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 19 September 2026, 40 days ago. Price reduced by £1,350 from £40,000 since AskCar first saw it. 2 price reductions recorded, the latest seen on 27 October 2026.

Recorded asking prices
Date observedAsking price
19 September 2026£40,000
25 September 2026£38,850
27 October 2026£38,650
29 October 2026£38,650

Price and mileage comparison

Fair price: £31 (under 1%) over the AskCar estimate of £38,619.

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 29 October 2026.

Advertised mileage is about 3,900 miles lower than the median mileage of a 2023 BMW 8 Series Gran Coupe on AskCar.

Other matching cars

22 other 2023 BMW 8 Series Gran Coupe M Sport automatic petrol cars are for sale at UK dealers from £34,620 to £45,000, as of 29 October 2026.

The 5 cheapest:

The 22 matching cars have covered 13,701 to 41,967 miles, compared with 21,354 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 · 2023 BMW 8 Series Gran Coupe price guide

Photos

19 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 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.