2020 BMW 8 Series 3.0 840i
Price: £29,955. Fair price: £2,282 (7%) under the AskCar estimate of £32,237, our expected asking price for this car from its model, age, mileage and specification, drawing on 185 priced BMW 8 Series adverts on AskCar as of 6 November 2026.
AskCar lists 193 used BMW 8 Series from 162 UK dealerships, as of 6 November 2026.
Overview
- Make: BMW
- Model: 8 Series
- Version: 3.0 840i Steptronic RWD Euro 6 (s/s) 2dr (335 bhp)
- Year: 2020
- Mileage: 30,446 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 3.0 litres, 335 bhp
- Gearbox: Automatic (Steptronic)
- Drive: Rear-wheel drive
- Colour: Grey
- CO2: 164 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 BMW 8 Series is advertised with 30,446 miles, approximately 10,100 below the typical mileage for its age. The AskCar estimate for this car is £32,237. It is priced at £29,955, which is £2,282 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 185 BMW 8 Series cars across different ages and specifications. We first recorded this car for sale 9 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Hippo Approved in Blackburn. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £2,282 (7%) under the AskCar estimate of £32,237.
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 185 priced BMW 8 Series adverts across different ages and specifications, as of 6 November 2026.
A 2020 BMW 8 Series with the 3.0 petrol engine is typically advertised at £29,200: the median of the 37 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2020 BMW 8 Series has been on sale for at least 9 days.
Price history
AskCar first saw this advert on 28 October 2026 at £29,955. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 25 April 2027.
It has had 4 MOTs. The latest, on 14 April 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 27,874 miles, which matches the advertised 30,446 miles.
Advertised mileage is about 10,100 miles lower than the median mileage of a 2020 BMW 8 Series on AskCar.
Browse all BMW 8 Series cars for sale · 2020 BMW 8 Series price guide
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Photos
49 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.