2023 BMW 8 Series 3.0 840i M Sport
Price: £37,250. Good value: £3,333 (8%) under the AskCar estimate of £40,583, 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: 17,854 miles
- Fuel: Petrol
- Body: 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 17,854 miles. The dealer is asking £37,250, which is £3,333 below the AskCar estimate of £40,583. To work out the AskCar estimate, we analyse UK dealer adverts for 186 BMW 8 Series cars across different ages and specifications. Since we first spotted the advert 71 days ago, the asking price has dropped by £1,650. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Select Nottingham, based in Nottingham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Good value: £3,333 (8%) under the AskCar estimate of £40,583.
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 71 days.
Price history
AskCar first saw this advert on 26 August 2026 at £38,900. Its asking price is now £37,250, £1,650 less. The latest price cut was seen on 3 November 2026.
Price changes recorded:
- 26 August 2026: £38,900
- 23 September 2026: £38,400
- 29 September 2026: £38,250
- 7 October 2026: £37,900
- 22 October 2026: £37,400
- 3 November 2026: £37,250
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 January 2027.
It has had one MOT, on 8 January 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 15,399 miles, which matches the advertised 17,854 miles.
Browse all BMW 8 Series cars for sale · 2023 BMW 8 Series price guide
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Photos
9 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.