2020 BMW 8 Series Gran Coupe 3.0 840i

Price: £20,998. Fair price: £192 (under 1%) over the AskCar estimate of £20,806, 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 (335 bhp)
  • Year: 2020
  • Mileage: 106,354 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 335 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 196 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 106,354 miles, this 2020 BMW 8 Series Gran Coupe has covered about 52,600 more miles than other 2020 BMW 8 Series Gran Coupe cars. Priced at £20,998, it is advertised £192 above the AskCar estimate of £20,806. 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 have tracked this advert for 53 days. Its advertised mileage matches the government's MOT record. The seller is Corus Automotives, based in Retford. 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: £192 (under 1%) over the AskCar estimate of £20,806.

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 53 days.

Price history

AskCar first saw this advert on 16 September 2026 at £20,998. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 5 March 2027.

It failed its MOT on 3 March 2026 (offside front road wheel fixing missing) and passed 3 days later, on 6 March 2026.

Advisories at the latest test: front brake pad(s) wearing thin both sides of vehicle.

Mileage at that test: 102,163 miles, which matches the advertised 106,354 miles.

Advertised mileage is about 52,600 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

More like this

Photos

50 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.