2020 BMW 8 Series Gran Coupe 3.0 840i

Price: £33,975. Above the going rate: £4,027 (13%) over the AskCar estimate of £29,948, our expected asking price for this car from its model, age, mileage and specification, drawing on 117 priced BMW 8 Series Gran Coupe adverts on AskCar as of 10 November 2026.

AskCar lists 118 used BMW 8 Series Gran Coupe from 94 UK dealerships, as of 10 November 2026.

Overview

  • Make: BMW
  • Model: 8 Series Gran Coupe
  • Version: 3.0 840i sDrive Auto RWD Euro 6 4dr
  • Year: 2020
  • Mileage: 31,463 miles
  • Fuel: Petrol
  • Body: Coupe, 4 doors, 5 seats
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 199 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 8 Series Gran Coupe is advertised with 31,463 miles, approximately 21,000 below the typical mileage for its age. Priced at £33,975, it is advertised £4,027 above the AskCar estimate of £29,948. To work out the AskCar estimate, we analyse UK dealer adverts for 117 BMW 8 Series Gran Coupe cars across different ages and specifications. We first recorded this advert 15 days ago, and its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Borehamwood BMW, based in Borehamwood. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Group 1 Borehamwood BMW is rated 3.6 out of 5 on Google.

Price

Above the going rate: £4,027 (13%) over the AskCar estimate of £29,948.

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 117 priced BMW 8 Series Gran Coupe adverts across different ages and specifications, as of 10 November 2026.

A 2020 BMW 8 Series Gran Coupe with the 3.0 petrol engine is typically advertised at £27,500: the median of the 23 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2020 BMW 8 Series Gran Coupe has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 26 October 2026 at £34,475. Its asking price is now £33,975, £500 less. The latest price cut was seen on 10 November 2026.

Price changes recorded:

  • 26 October 2026: £34,475
  • 10 November 2026: £33,975

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 15 June 2027.

It failed its MOT on 9 June 2026 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 6 days later, on 15 June 2026.

There were no advisories at the latest test.

Mileage at that test: 29,711 miles, which matches the advertised 31,463 miles.

Advertised mileage is about 21,000 miles lower 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

47 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.