2020 BMW 8 Series 3.0 840d

Version: 3.0 840d Auto 4WD Euro 6 (315 bhp)

Price: £27,990. Fair price: £1,897 (6%) under the AskCar estimate of £29,887, our expected asking price for this car from its model, age, mileage and specification, drawing on 177 priced BMW 8 Series adverts on AskCar as of 31 October 2026.

AskCar lists 184 used BMW 8 Series from 158 UK dealerships, as of 31 October 2026.

Overview

Make
BMW
Model
8 Series
Version
3.0 840d Auto 4WD Euro 6 (315 bhp)
Mileage
56,774 miles
Year
2020
Fuel type
Diesel
Body type
Coupe
Engine
3.0 L
Gearbox
Automatic
Power
315 bhp
CO2
160 g/km
Colour
White
Driven wheels
Four Wheel Drive
Engine badge
840d
Emissions standard
Euro 6

About this car

This 2020 BMW 8 Series has covered 56,774 miles, around 16,300 more miles than is typical for its age. The dealer is asking £27,990, which is £1,897 below the AskCar estimate of £29,887. To work out the AskCar estimate, we analyse UK dealer adverts for 177 BMW 8 Series cars across different ages and specifications. We have tracked this advert today. Its recorded MOT is valid until 29 April 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Halliwell Jones Warrington BMW, based in Warrington.

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£27,990

Price and mileage comparison

Fair price: £1,897 (6%) under the AskCar estimate of £29,887.

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 177 priced BMW 8 Series adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 16,300 miles higher than the median mileage of a 2020 BMW 8 Series on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 29 April 2027. 51,546 miles at the last test.

Other matching cars

7 other 2020 BMW 8 Series automatic diesel cars are for sale at UK dealers from £25,995 to £35,000, as of 31 October 2026.

The 5 cheapest:

The 7 matching cars have covered 28,488 to 93,638 miles, compared with 56,774 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 cars for sale · 2020 BMW 8 Series price guide

More like this

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.