2020 BMW 8 Series 3.0 840i

Price: £28,390. Fair price: £385 (1%) under the AskCar estimate of £28,775, our expected asking price for this car from its model, age, mileage and specification, drawing on 185 priced BMW 8 Series adverts on AskCar as of 9 November 2026.

AskCar lists 193 used BMW 8 Series from 161 UK dealerships, as of 9 November 2026.

Overview

  • Make: BMW
  • Model: 8 Series
  • Version: 3.0 840i Steptronic RWD Euro 6 (s/s) 2dr (335 bhp)
  • Year: 2020
  • Mileage: 49,550 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

With 49,550 miles on the clock, this 2020 BMW 8 Series has done roughly 9,100 more miles than a typical 2020 BMW 8 Series. Priced at £28,390, it is advertised £385 below the AskCar estimate of £28,775. The AskCar estimate uses UK dealer asking prices, including 185 BMW 8 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 55 days ago, the asking price has dropped by £100. The government's MOT record matches its advertised mileage. It is for sale at Hanar Cars (UK) in Hoddesdon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £385 (1%) under the AskCar estimate of £28,775.

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 185 priced BMW 8 Series adverts across different ages and specifications, as of 9 November 2026.

A 2020 BMW 8 Series with the 3.0 petrol engine is typically advertised at £29,200: the median of the 37 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2020 BMW 8 Series has been on sale for at least 55 days.

Price history

AskCar first saw this advert on 15 September 2026 at £28,490. Its asking price is now £28,390, £100 less. The latest price cut was seen on 9 November 2026.

Price changes recorded:

  • 15 September 2026: £28,490
  • 9 November 2026: £28,390

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 4 February 2027.

It has had 4 MOTs. The latest, on 5 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,504 miles, which matches the advertised 49,550 miles.

Advertised mileage is about 9,100 miles higher than the median mileage of a 2020 BMW 8 Series on AskCar.

Browse all BMW 8 Series cars for sale · 2020 BMW 8 Series price guide

More like this

Photos

57 photos of this car are on its AskCar page.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.