2023 BMW 8 Series 3.0 840i M Sport
Price: £37,421. Fair price: £1,023 (2%) under the AskCar estimate of £38,444, 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 Auto RWD Euro 6 (328 bhp)
- Year: 2023
- Mileage: 20,221 miles
- Fuel: Petrol
- Body: Coupe
- Engine: 3.0 litres, 328 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 195 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 BMW 8 Series M Sport has covered 20,221 miles, around 2,400 more miles than is typical for its age. The dealer is asking £37,421, which is £1,023 below the AskCar estimate of £38,444. To work out the AskCar estimate, we analyse UK dealer adverts for 186 BMW 8 Series cars across different ages and specifications. It first appeared in our advert records today. You can find this car at BMW Park Lane in London. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £1,023 (2%) under the AskCar estimate of £38,444.
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
AskCar first saw this 2023 BMW 8 Series advertised today.
Price history
AskCar first saw this advert on 5 November 2026 at £37,421. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 2,400 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, grey. Mileage: 17,865 miles. Price: £38,700, £1,279 more than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-1b95eaeb8fd2
- 2023 BMW 8 Series M Sport, 3.0 petrol coupe, grey. Mileage: 23,966 miles. Price: £39,900, £2,479 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, blue. Mileage: 13,030 miles. Price: £42,099, £4,678 more than this car. Dealer: cinch in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-746da0dd154a
- The nearest: 2023 BMW 8 Series M Sport, 3.0 petrol coupe, green, under a mile from this car. Mileage: 4,433 miles. Price: £40,751, £3,330 more than this car. Dealer: BMW Park Lane in City of Westminster. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-d99107ae3df1
Browse all BMW 8 Series cars for sale · 2023 BMW 8 Series price guide
More like this
- Used BMW 8 Series M Sport prices
- Used petrol BMW 8 Series for sale
- Used BMW 8 Series for sale near London
Photos
1 photo of this car is 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.