2020 BMW 8 Series 3.0 840i M Sport

Overview

• Make: BMW
• Model: 8 Series
• Trim: M Sport
• Version: 3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 2dr (328 bhp)
• Year: 2020
• Mileage: 35,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 189 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 8 Series M Sport has covered 35,000 miles. The dealer is asking £29,949, which is £2,493 below the AskCar estimate of £32,442. To work out the AskCar estimate, we analyse UK dealer adverts for 185 BMW 8 Series cars across different ages and specifications. We first saw this car advertised 24 days ago. Its asking price has since fallen by £1,500. Ask the dealer why the advert shows fewer miles than the 35,547 recorded at the latest MOT. Its recorded MOT is valid until 19 January 2027. The seller is A1 Ortos, based in Oldham. 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: £2,493 (7%) under the AskCar estimate of £32,442.

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 6 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 6 November 2026.

Time on sale

This 2020 BMW 8 Series has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 13 October 2026 at £31,449. Its asking price is now £29,949, £1,500 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 13 October 2026: £31,449
• 14 October 2026: £30,949
• 6 November 2026: £29,949

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 19 January 2027.

It has had 5 MOTs. The latest, on 1 October 2026, failed.

It failed on: nearside front tyre has a bulge, caused by separation or partial failure of its structure; offside front tyre has a bulge, caused by separation or partial failure of its structure; offside rear tyre has a bulge, caused by separation or partial failure of its structure.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing inner edge cut.

Mileage at that test: 35,547 miles. The advert says 35,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 5,500 miles lower than the median mileage of a 2020 BMW 8 Series on AskCar.

Similar cars

4 other 2020 BMW 8 Series M Sport 3.0 petrol automatic coupes are for sale at UK dealers, from £23,994 to £33,500, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 8 Series M Sport, 3.0 petrol coupe, grey. Mileage: 39,197 miles. Price: £29,105, £844 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/bmw-8-series-2020-1b1be605bc33
• 2020 BMW 8 Series M Sport, 3.0 petrol coupe, black. Mileage: 27,000 miles. Price: £29,645, £304 less than this car. Dealer: TMMC The Manchester Motor Company in Bolton. AskCar page: https://askcar.co.uk/car/bmw-8-series-2020-e03fce8b78cd
• 2020 BMW 8 Series M Sport, 3.0 petrol coupe, black. Mileage: 25,400 miles. Price: £33,500, £3,551 more than this car. Dealer: 12 London Road in Woking. AskCar page: https://askcar.co.uk/car/bmw-8-series-2020-aee796d93052