2020 BMW 8 Series 3.0 840i

Overview

• Make: BMW
• Model: 8 Series
• Version: 3.0 840i Steptronic RWD Euro 6 (s/s) 2dr
• Year: 2020
• Mileage: 34,934 miles
• Fuel: Petrol
• Body: 2 doors, 4 seats
• Engine: 3.0 litres
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 191 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 34,934 miles, this 2020 BMW 8 Series has covered about 5,600 fewer miles than other 2020 BMW 8 Series cars. Its asking price of £29,995 is £807 below the AskCar estimate of £30,802. The AskCar estimate uses UK dealer asking prices, including 186 BMW 8 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 161 days ago, the asking price has dropped by £1,000. The government's MOT record matches its advertised mileage. You can find this car at Blenheim Car Sales in Wolverhampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £807 (2%) under the AskCar estimate of £30,802.

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 186 priced BMW 8 Series adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW 8 Series with the 3.0 petrol engine is typically advertised at £29,500: the median of the 38 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW 8 Series has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £30,995. Its asking price is now £29,995, £1,000 less. The latest price cut was seen on 29 July 2026.

Price changes recorded:

• 28 May 2026: £30,995
• 29 July 2026: £29,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 4 January 2027.

It has had 6 MOTs. The latest, on 5 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 34,903 miles, which matches the advertised 34,934 miles.

Advertised mileage is about 5,600 miles lower than the median mileage of a 2020 BMW 8 Series on AskCar.