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: 23,966 miles
• Fuel: Petrol
• Body: Coupe
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 195 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 8 Series M Sport is advertised with 23,966 miles, approximately 6,100 above the typical mileage for its age. Priced at £39,900, it is advertised £2,083 above the AskCar estimate of £37,817. The AskCar estimate uses 186 UK dealer adverts for the BMW 8 Series, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 15 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Berry Heathrow in West Drayton. 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: £2,083 (5%) over the AskCar estimate of £37,817.

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 15 days.

Price history

AskCar first saw this advert on 21 October 2026 at £39,900. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 15 April 2027.

It failed its MOT on 10 April 2026 (offside rear road wheel fractured) and passed 6 days later, on 16 April 2026.

There were no advisories at the latest test.

Mileage at that test: 21,523 miles, which matches the advertised 23,966 miles.

Advertised mileage is about 6,100 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, black. Mileage: 20,221 miles. Price: £37,421, £2,479 less than this car. Dealer: BMW Park Lane in City of Westminster. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-19625c19ec9a
• 2023 BMW 8 Series M Sport, 3.0 petrol coupe, grey. Mileage: 17,865 miles. Price: £38,700, £1,200 less 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, blue. Mileage: 13,030 miles. Price: £42,099, £2,199 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, grey, 9 miles from this car. Mileage: 44,958 miles. Price: £36,000, £3,900 less than this car. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-e9dc50d9a83d