2023 BMW 8 Series 3.0 840i M Sport
Version: 3.0 840i M Sport Auto RWD Euro 6 (328 bhp)
Price: £39,500. Fair price: £1,214 (3%) over the AskCar estimate of £38,286, our expected asking price for this car from its model, age, mileage and specification, drawing on 177 priced BMW 8 Series adverts on AskCar as of 31 October 2026.
AskCar lists 184 used BMW 8 Series from 158 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- 8 Series
- Trim
- M Sport
- Version
- 3.0 840i M Sport Auto RWD Euro 6 (328 bhp)
- Mileage
- 26,000 miles
- Year
- 2023
- Fuel type
- Petrol
- Body type
- Coupe
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 328 bhp
- CO2
- 195 g/km
- Colour
- Blue
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 840i
- Emissions standard
- Euro 6
About this car
At 26,000 miles, this 2023 BMW 8 Series M Sport has covered about 8,100 more miles than other 2023 BMW 8 Series cars. The dealer is asking £39,500, which is £1,214 above the AskCar estimate of £38,286. To work out the AskCar estimate, we analyse UK dealer adverts for 177 BMW 8 Series cars across different ages and specifications. It first appeared in our advert records today. MOT records show an expiry date of 2 September 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Swansea MINI, based in Swansea.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £39,500 |
Price and mileage comparison
Fair price: £1,214 (3%) over the AskCar estimate of £38,286.
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 177 priced BMW 8 Series adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 8,100 miles higher than the median mileage of a 2023 BMW 8 Series on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 2 September 2027. 25,330 miles at the last test.
Other matching cars
11 other 2023 BMW 8 Series M Sport automatic petrol cars are for sale at UK dealers from £35,990 to £48,490, as of 31 October 2026.
The 5 cheapest:
- 2023 BMW 8 Series. Price: £35,990. Mileage: 37,429 miles. Dealer: Stratstone BMW Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-4e1015f962ce
- 2023 BMW 8 Series. Price: £36,000. Mileage: 44,958 miles. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-e9dc50d9a83d
- 2023 BMW 8 Series. Price: £37,400. Mileage: 17,854 miles. Dealer: Sytner Select Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-60e70457828b
- 2023 BMW 8 Series. Price: £38,500. Mileage: 14,685 miles. Dealer: MINI UK at Sandal Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-b00041ed4942
- 2023 BMW 8 Series. Price: £38,850. Mileage: 17,865 miles. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-1b95eaeb8fd2
The 11 matching cars have covered 9,259 to 44,958 miles, compared with 26,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW 8 Series cars for sale · 2023 BMW 8 Series price guide
More like this
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.