2023 BMW 8 Series 3.0 840i M Sport

Overview

• Make: BMW
• Model: 8 Series
• Trim: M Sport
• Version: 3.0 840i M Sport Auto RWD Euro 6 (328 bhp)
• Year: 2023
• Mileage: 37,429 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

At 37,429 miles, this 2023 BMW 8 Series M Sport has covered about 19,600 more miles than other 2023 BMW 8 Series cars. The AskCar estimate for this car is £35,364. It is priced at £35,190, which is £174 below that estimate. The AskCar estimate uses 186 UK dealer adverts for the BMW 8 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 77 days ago, the asking price has dropped by £800. You can find this car at Stratstone BMW Maidstone in Aylesford. 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: £174 (under 1%) under the AskCar estimate of £35,364.

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 77 days.

Price history

AskCar first saw this advert on 20 August 2026 at £35,990. Its asking price is now £35,190, £800 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 20 August 2026: £35,990
• 1 September 2026: £36,290
• 15 October 2026: £36,590
• 21 October 2026: £35,990
• 5 November 2026: £35,190

Mileage and MOT

Advertised mileage is about 19,600 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 £36,000 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: 44,958 miles. Price: £36,000, £810 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, grey. Mileage: 23,966 miles. Price: £39,900, £4,710 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, £2,231 more than this car. Dealer: BMW Park Lane in City of Westminster. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-19625c19ec9a

• The nearest: 2023 BMW 8 Series M Sport, 3.0 petrol coupe, grey, 30 miles from this car. Mileage: 17,865 miles. Price: £38,700, £3,510 more than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-1b95eaeb8fd2