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: 60,000 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 316 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 8 Series has covered 60,000 miles. The AskCar estimate for this car is £29,706. It is priced at £27,995, which is £1,711 below that estimate. The AskCar estimate uses UK dealer asking prices, including 185 BMW 8 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 134 days ago, and its asking price has since fallen by £500. The last MOT shows 66,018 miles, more than the advert. This is worth checking with the dealer. The latest recorded MOT expiry date is 19 August 2026, which has passed. Confirm its status with the dealer. You can find this car at Motoring World London Motoring World in Northolt. 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: £1,711 (5%) under the AskCar estimate of £29,706.

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 134 days.

Price history

AskCar first saw this advert on 25 June 2026 at £28,495. Its asking price is now £27,995, £500 less. The latest price cut was seen on 19 July 2026.

Price changes recorded:

• 26 June 2026: £28,495
• 19 July 2026: £27,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 19 August 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 20 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 66,018 miles. The advert says 60,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 19,500 miles higher than the median mileage of a 2020 BMW 8 Series on AskCar.