2020 BMW 8 Series Gran Coupe 3.0 840i

Price: £27,649. Fair price: £789 (2%) over the AskCar estimate of £26,860, 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 Auto RWD Euro 6 4dr
  • Year: 2020
  • Mileage: 55,494 miles
  • Fuel: Petrol
  • Body: 4 doors, 5 seats
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 197 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 BMW 8 Series Gran Coupe is 55,494 miles. Its asking price of £27,649 is £789 above the AskCar estimate of £26,860. To work out the AskCar estimate, we analyse UK dealer adverts for 120 BMW 8 Series Gran Coupe cars across different ages and specifications. We have tracked this advert for 16 days. Its advertised mileage matches the government's MOT record. It is for sale at Prestige Cars Kent in Orpington. 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: £789 (2%) over the AskCar estimate of £26,860.

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 16 days.

Price history

AskCar first saw this advert on 23 October 2026 at £27,649. 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 23 November 2026.

It has had 3 MOTs. The latest, on 24 November 2025, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 47,620 miles, which matches the advertised 55,494 miles.

Advertised mileage is about 1,700 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

54 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.