2020 BMW 8 Series 3.0 840i

Overview

• Make: BMW
• Model: 8 Series
• Version: 3.0 840i Steptronic RWD Euro 6 (s/s) 2dr (335 bhp)
• Year: 2020
• Mileage: 41,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 8 Series is advertised with 41,000 miles on the clock. The AskCar estimate for this car is £30,444. It is priced at £30,000, which is £444 below that estimate. The AskCar estimate uses 186 UK dealer adverts for the BMW 8 Series, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 77 days ago. The latest recorded MOT expiry date is 25 September 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. The seller is Coventry Sterling Motors, based in Coventry. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £444 (1%) under the AskCar estimate of £30,444.

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 186 priced BMW 8 Series adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW 8 Series with the 3.0 petrol engine is typically advertised at £29,500: the median of the 38 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW 8 Series has been on sale for at least 77 days.

Price history

AskCar first saw this advert on 20 August 2026 at £28,500. Its asking price is now £30,000, £1,500 more.

Price changes recorded:

• 20 August 2026: £28,500
• 3 November 2026: £30,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 25 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 26 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 34,547 miles, which matches the advertised 41,000 miles.

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