2020 BMW 8 Series 3.0 840d

Overview

• Make: BMW
• Model: 8 Series
• Version: 3.0 840d Steptronic 4WD Euro 6 (s/s) 2dr (316 bhp)
• Year: 2020
• Mileage: 58,852 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 316 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 58,852 miles on the clock, this 2020 BMW 8 Series has done roughly 18,400 more miles than a typical 2020 BMW 8 Series. Priced at £29,000, it is advertised £892 below the AskCar estimate of £29,892. The AskCar estimate uses 185 UK dealer adverts for the BMW 8 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 160 days ago. Its asking price has since fallen by £995. The government's MOT record matches its advertised mileage. You can find this car at Elton Cars in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £892 (2%) under the AskCar estimate of £29,892.

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 diesel 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 160 days.

Price history

AskCar first saw this advert on 30 May 2026 at £29,995. Its asking price is now £29,000, £995 less. The latest price cut was seen on 18 September 2026.

Price changes recorded:

• 31 May 2026: £29,995
• 3 September 2026: £29,990
• 13 September 2026: £29,950
• 18 September 2026: £29,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 7 June 2027.

It has had 6 MOTs. The latest, on 8 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,881 miles, which matches the advertised 58,852 miles.

Advertised mileage is about 18,400 miles higher than the median mileage of a 2020 BMW 8 Series on AskCar.