2020 BMW 8 Series 3.0 840i

Overview

• Make: BMW
• Model: 8 Series
• Version: 3.0 840i Auto RWD Euro 6 2dr
• Year: 2020
• Mileage: 52,787 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 190 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 52,787 miles, this 2020 BMW 8 Series has covered about 12,300 more miles than other 2020 BMW 8 Series cars. Priced at £28,499, it is advertised £1,704 above the AskCar estimate of £26,795. 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 30 days ago, and its asking price has since fallen by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Sandles Cars in Kings Lynn. 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: £1,704 (6%) over the AskCar estimate of £26,795.

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 30 days.

Price history

AskCar first saw this advert on 7 October 2026 at £28,799. Its asking price is now £28,499, £300 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 7 October 2026: £28,799
• 27 October 2026: £28,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 12 September 2027.

It has had 5 MOTs. The latest, on 12 September 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 52,622 miles, which matches the advertised 52,787 miles.

Advertised mileage is about 12,300 miles higher than the median mileage of a 2020 BMW 8 Series on AskCar.