2020 BMW 8 Series Gran Coupe 3.0 840i Sport

Overview

• Make: BMW
• Model: 8 Series Gran Coupe
• Trim: Sport
• Version: 3.0 840i sDrive Sport Auto RWD Euro 6 4dr (335 bhp)
• Year: 2020
• Mileage: 35,525 miles
• Fuel: Petrol
• Body: Coupe, 4 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 194 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 35,525 miles, this 2020 BMW 8 Series Gran Coupe Sport has covered about 17,000 fewer miles than other 2020 BMW 8 Series Gran Coupe cars. The AskCar estimate for this car is £28,912. It is priced at £27,998, which is £914 below that estimate. The AskCar estimate uses 120 UK dealer adverts for the BMW 8 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 74 days ago, the asking price has dropped by £1,500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Inverness Peugeot / Citroen / Vanstore, based in Inverness. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £914 (3%) under the AskCar estimate of £28,912.

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 7 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 25 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 BMW 8 Series Gran Coupe has been on sale for at least 74 days.

Price history

AskCar first saw this advert on 25 August 2026 at £29,498. Its asking price is now £27,998, £1,500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 25 August 2026: £29,498
• 4 September 2026: £28,998
• 4 November 2026: £27,998

Mileage and MOT

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

It failed its MOT on 27 July 2026 (nearside front headlamp aim too high; offside front headlamp aim too high) and passed later the same day.

Advisories at the latest test: offside front service brake fluctuating, but not excessively; nearside front service brake fluctuating, but not excessively; rear prop shaft flexible coupling slightly deteriorated; and 3 more.

Mileage at that test: 34,345 miles, which matches the advertised 35,525 miles.

Advertised mileage is about 17,000 miles lower than the median mileage of a 2020 BMW 8 Series Gran Coupe on AskCar.

Similar cars

1 other 2020 BMW 8 Series Gran Coupe Sport 3.0 petrol automatic coupe is for sale at UK dealers, as of 7 November 2026.

The closest to this car in mileage:

• 2020 BMW 8 Series Gran Coupe Sport, 3.0 petrol coupe, black. Mileage: 38,392 miles. Price: £27,599, £399 less than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2020-58bc35f43622