2020 BMW 8 Series 4.4 850i

Price: £51,995. Fair price: £2,710 (5%) over the AskCar estimate of £49,285, our expected asking price for this car from its model, age, mileage and specification, drawing on 186 priced BMW 8 Series adverts on AskCar as of 8 November 2026.

AskCar lists 195 used BMW 8 Series from 163 UK dealerships, as of 8 November 2026.

Overview

  • Make: BMW
  • Model: 8 Series
  • Version: 4.4 M850i Auto 4WD Euro 6 2dr (522 bhp)
  • Year: 2020
  • Mileage: 19,800 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 4.4 litres, 522 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 246 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 BMW 8 Series is 19,800 miles. Its asking price of £51,995 is £2,710 above the AskCar estimate of £49,285. To work out the AskCar estimate, we analyse UK dealer adverts for 186 BMW 8 Series cars across different ages and specifications. We first recorded this car for sale 164 days ago. The latest MOT recorded 29,534 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 31 March 2027. The seller is Safe Harbour Vehicles, based in Birmingham. 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: £2,710 (5%) over the AskCar estimate of £49,285.

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 8 November 2026.

Time on sale

This 2020 BMW 8 Series has been on sale for at least 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £51,995. 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 31 March 2027.

It has had 3 MOTs. The latest, on 1 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 29,534 miles. The advert says 19,800 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 20,700 miles lower 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

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Photos

20 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.