2023 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: 2023
• Mileage: 56,044 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 191 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 56,044 miles on the clock, this 2023 BMW 8 Series M Sport has done roughly 37,000 more miles than a typical 2023 BMW 8 Series. The dealer is asking £31,795, which is £1,507 below the AskCar estimate of £33,302. To work out the AskCar estimate, we analyse UK dealer adverts for 183 BMW 8 Series cars across different ages and specifications. Since we first spotted the advert 32 days ago, the asking price has dropped by £200. The seller is Vines of Gatwick BMW, based in Crawley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,507 (4%) under the AskCar estimate of £33,302.

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 183 priced BMW 8 Series adverts across different ages and specifications, as of 10 November 2026.

A 2023 BMW 8 Series with the 3.0 petrol engine is typically advertised at £39,900: the median of the 15 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2023 BMW 8 Series has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 9 October 2026 at £31,995. Its asking price is now £31,795, £200 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 9 October 2026: £31,995
• 20 October 2026: £31,890
• 27 October 2026: £31,795

Mileage and MOT

Advertised mileage is about 37,000 miles higher than the median mileage of a 2023 BMW 8 Series on AskCar.

Similar cars

11 other 2023 BMW 8 Series M Sport 3.0 petrol automatic coupes are for sale at UK dealers, from £34,950 to £42,998, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 8 Series M Sport, 3.0 petrol coupe, grey. Mileage: 44,958 miles. Price: £36,000, £4,205 more than this car. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-e9dc50d9a83d
• 2023 BMW 8 Series M Sport, 3.0 petrol coupe, black. Mileage: 37,429 miles. Price: £35,190, £3,395 more 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, green. Mileage: 37,331 miles. Price: £34,950, £3,155 more than this car. Dealer: Lloyd Carlisle BMW in Carlisle. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-242cec4e3f9d

• The nearest: 2023 BMW 8 Series M Sport, 3.0 petrol coupe, black, 27 miles from this car. Mileage: 20,221 miles. Price: £37,421, £5,626 more than this car. Dealer: BMW Park Lane in City of Westminster. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-19625c19ec9a