2020 BMW 8 Series Gran Coupe 3.0 840i

Overview

• Make: BMW
• Model: 8 Series Gran Coupe
• Version: 3.0 840i Steptronic RWD Euro 6 (s/s) 4dr (335 bhp)
• Year: 2020
• Mileage: 99,998 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

This 2020 BMW 8 Series Gran Coupe has covered 99,998 miles. Its asking price of £22,500 is £842 above the AskCar estimate of £21,658. The AskCar estimate uses UK dealer asking prices, including 121 BMW 8 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 3 days ago. Ask the dealer why the advert shows fewer miles than the 101,355 recorded at the latest MOT. MOT records show an expiry date of 17 June 2027. It is for sale at Aidan Piers in Knutsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £842 (3%) over the AskCar estimate of £21,658.

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 121 priced BMW 8 Series Gran Coupe adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 8 Series Gran Coupe with the 3.0 petrol engine is typically advertised at £27,800: the median of the 25 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2020 BMW 8 Series Gran Coupe advertised 3 days ago.

Price history

AskCar first saw this advert on 3 November 2026 at £22,500. 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 6 November 2026: valid until 17 June 2027.

It has had 4 MOTs. The latest, on 17 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 101,355 miles. The advert says 99,998 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 47,500 miles higher than the median mileage of a 2020 BMW 8 Series Gran Coupe on AskCar.