2022 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: 2022
• Mileage: 28,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 195 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2022 BMW 8 Series M Sport has covered 28,000 miles. The dealer is asking £38,989, which is £2,375 above the AskCar estimate of £36,614. To work out the AskCar estimate, we analyse UK dealer adverts for 185 BMW 8 Series cars across different ages and specifications. The asking price is now £3,000 lower than when we first recorded the advert 24 days ago. Its advertised mileage matches the government's MOT record. The seller is Blackstone Motors, based in White City. 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: £2,375 (6%) over the AskCar estimate of £36,614.

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 2022 BMW 8 Series with the 3.0 petrol engine is typically advertised at £35,900: the median of the 26 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2022 BMW 8 Series has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 13 October 2026 at £41,989. Its asking price is now £38,989, £3,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 13 October 2026: £41,989
• 17 October 2026: £39,989
• 31 October 2026: £38,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 21 December 2026.

It has had one MOT, on 1 December 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 21,527 miles, which matches the advertised 28,000 miles.

Advertised mileage is about 1,400 miles lower than the median mileage of a 2022 BMW 8 Series on AskCar.

Similar cars

3 other 2022 BMW 8 Series M Sport 3.0 petrol automatic convertibles are for sale at UK dealers, from £34,990 to £44,500, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2022 BMW 8 Series M Sport, 3.0 petrol convertible, blue. Mileage: 27,000 miles. Price: £40,995, £2,006 more than this car. Dealer: Goldstone Cars in Kempston. AskCar page: https://askcar.co.uk/car/bmw-8-series-2022-eb418091633b
• 2022 BMW 8 Series M Sport, 3.0 petrol convertible, grey. Mileage: 15,491 miles. Price: £44,500, £5,511 more than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2022-db312cc71b6e
• 2022 BMW 8 Series M Sport, 3.0 petrol convertible, black. Mileage: 46,983 miles. Price: £34,990, £3,999 less than this car. Dealer: Group 1 Norwich BMW in Norwich. AskCar page: https://askcar.co.uk/car/bmw-8-series-2022-8215c28e3866