2023 BMW 8 Series 3.0 840i M Sport

Price: £36,000. Fair price: £301 (under 1%) over the AskCar estimate of £35,699, 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 5 November 2026.

AskCar lists 193 used BMW 8 Series from 162 UK dealerships, as of 5 November 2026.

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: 2023
  • Mileage: 44,958 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 3.0 litres, 328 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 191 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 8 Series M Sport has covered 44,958 miles, around 27,100 more miles than is typical for its age. The AskCar estimate for this car is £35,699. It is priced at £36,000, which is £301 above that estimate. The AskCar estimate draws on 186 BMW 8 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 30 days. You can find this car at MB Brent Park in London. 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: £301 (under 1%) over the AskCar estimate of £35,699.

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 2023 BMW 8 Series with the 3.0 petrol engine is typically advertised at £40,300: the median of the 12 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW 8 Series has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 6 October 2026 at £36,000. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 27,100 miles higher than the median mileage of a 2023 BMW 8 Series on AskCar.

Similar cars

8 other 2023 BMW 8 Series M Sport 3.0 petrol automatic coupes are for sale at UK dealers, from £35,190 to £42,898, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 8 Series M Sport, 3.0 petrol coupe, black. Mileage: 37,429 miles. Price: £35,190, £810 less than this car. Dealer: Stratstone BMW Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-4e1015f962ce
  • 2023 BMW 8 Series M Sport, 3.0 petrol coupe, grey. Mileage: 23,966 miles. Price: £39,900, £3,900 more than this car. Dealer: Berry Heathrow in Heathrow. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-d829169312ee
  • 2023 BMW 8 Series M Sport, 3.0 petrol coupe, black. Mileage: 20,221 miles. Price: £37,421, £1,421 more than this car. Dealer: BMW Park Lane in City of Westminster. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-19625c19ec9a

Browse all BMW 8 Series cars for sale · 2023 BMW 8 Series price guide

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Photos

19 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.