2020 BMW 8 Series Gran Coupe 3.0 840i

Overview

• Make: BMW
• Model: 8 Series Gran Coupe
• Version: 3.0 840i Steptronic RWD Euro 6 (s/s) 4dr
• Year: 2020
• Mileage: 43,351 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 195 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 43,351 miles on the clock, this 2020 BMW 8 Series Gran Coupe has done roughly 10,400 fewer miles than a typical 2020 BMW 8 Series Gran Coupe. The dealer is asking £27,995, which is £1,143 below the AskCar estimate of £29,138. To work out the AskCar estimate, we analyse UK dealer adverts for 120 BMW 8 Series Gran Coupe cars across different ages and specifications. The asking price is now £2,000 lower than when we first recorded the advert 164 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Middle Green Motors (Mgm) in Feltham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,143 (3%) under the AskCar estimate of £29,138.

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 120 priced BMW 8 Series Gran Coupe adverts across different ages and specifications, as of 8 November 2026.

A 2020 BMW 8 Series Gran Coupe with the 3.0 petrol engine is typically advertised at £27,600: the median of the 24 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 BMW 8 Series Gran Coupe has been on sale for at least 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £29,995. Its asking price is now £27,995, £2,000 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 28 May 2026: £29,995
• 25 June 2026: £31,995
• 18 August 2026: £29,995
• 4 September 2026: £29,495
• 13 September 2026: £28,995
• 7 November 2026: £27,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 25 November 2026.

It has had 3 MOTs. The latest, on 26 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 38,334 miles, which matches the advertised 43,351 miles.

Advertised mileage is about 10,400 miles lower than the median mileage of a 2020 BMW 8 Series Gran Coupe on AskCar.