2020 BMW 8 Series Gran Coupe 3.0 840i

Price: £27,480. Fair price: £1,312 (5%) over the AskCar estimate of £26,168, our expected asking price for this car from its model, age, mileage and specification, drawing on 120 priced BMW 8 Series Gran Coupe adverts on AskCar as of 8 November 2026.

AskCar lists 120 used BMW 8 Series Gran Coupe from 95 UK dealerships, as of 8 November 2026.

Overview

  • Make: BMW
  • Model: 8 Series Gran Coupe
  • Version: 3.0 840i Steptronic RWD Euro 6 (s/s) 4dr
  • Year: 2020
  • Mileage: 63,000 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres
  • Gearbox: Automatic (Steptronic)
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 170 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 63,000 miles, this 2020 BMW 8 Series Gran Coupe has covered about 9,300 more miles than other 2020 BMW 8 Series Gran Coupe cars. The AskCar estimate for this car is £26,168. It is priced at £27,480, which is £1,312 above that estimate. The AskCar estimate draws on 120 BMW 8 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 18 days ago, and its asking price has since fallen by £300. The government's MOT record matches its advertised mileage. You can find this car at Oakdene Collection in Alfreton. 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: £1,312 (5%) over the AskCar estimate of £26,168.

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 18 days.

Price history

AskCar first saw this advert on 21 October 2026 at £27,780. Its asking price is now £27,480, £300 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 21 October 2026: £27,780
  • 6 November 2026: £27,480

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 21 December 2026.

It has had 4 MOTs. The latest, on 18 December 2025, passed.

Advisories at the latest test: rear drive shaft flexible coupling slightly deteriorated.

Mileage at that test: 54,940 miles, which matches the advertised 63,000 miles.

Advertised mileage is about 9,300 miles higher than the median mileage of a 2020 BMW 8 Series Gran Coupe on AskCar.

Browse all BMW 8 Series Gran Coupe cars for sale · 2020 BMW 8 Series Gran Coupe price guide

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Photos

55 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.