2020 BMW 8 Series 3.0 840i

Overview

• Make: BMW
• Model: 8 Series
• Version: 3.0 840i Steptronic RWD Euro 6 (s/s) 2dr (335 bhp)
• Year: 2020
• Mileage: 63,876 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 63,876 miles, this 2020 BMW 8 Series has covered about 19,300 more miles than other 2020 BMW 8 Series cars. Priced at £25,450, it is advertised £851 below the AskCar estimate of £26,301. The AskCar estimate uses 183 UK dealer adverts for the BMW 8 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at JS Prestige and Performance in Potters BAR. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £851 (3%) under the AskCar estimate of £26,301.

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 183 priced BMW 8 Series adverts across different ages and specifications, as of 10 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 10 November 2026.

Time on sale

AskCar first saw this 2020 BMW 8 Series advertised today. About half of 2020 BMW 8 Series cars are gone from sale within a month of being advertised: 27 of the 51 first advertised between 14 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £25,450. 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 10 November 2026: valid until 29 January 2027.

It has had 4 MOTs. The latest, on 30 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 59,664 miles, which matches the advertised 63,876 miles.

Advertised mileage is about 19,300 miles higher than the median mileage of a 2020 BMW 8 Series on AskCar.