2023 BMW 8 Series Gran Coupe 3.0 840i M Sport

Overview

• Make: BMW
• Model: 8 Series Gran Coupe
• Trim: M Sport
• Version: 3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 4dr (328 bhp)
• Year: 2023
• Mileage: 19,438 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Green
• CO2: 195 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 19,438 miles, this 2023 BMW 8 Series Gran Coupe M Sport has covered about 6,700 fewer miles than other 2023 BMW 8 Series Gran Coupe cars. Priced at £37,990, it is advertised £562 above the AskCar estimate of £37,428. The AskCar estimate draws on 120 BMW 8 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 32 days ago. Its asking price has since fallen by £1,000. The government's MOT record matches its advertised mileage. You can find this car at Dick Lovett in Potters BAR. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £562 (1%) over the AskCar estimate of £37,428.

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 120 priced BMW 8 Series Gran Coupe adverts across different ages and specifications, as of 9 November 2026.

A 2023 BMW 8 Series Gran Coupe with the 3.0 petrol engine is typically advertised at £37,800: the median of the 22 for sale on AskCar, as of 9 November 2026.

Time on sale

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

Price history

AskCar first saw this advert on 8 October 2026 at £38,990. Its asking price is now £37,990, £1,000 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 8 October 2026: £38,990
• 18 October 2026: £38,490
• 5 November 2026: £37,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 12 July 2027.

It has had one MOT, on 13 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,716 miles, which matches the advertised 19,438 miles.

Advertised mileage is about 6,700 miles lower than the median mileage of a 2023 BMW 8 Series Gran Coupe on AskCar.

Similar cars

3 other 2023 BMW 8 Series Gran Coupe M Sport 3.0 petrol automatic saloons are for sale at UK dealers, from £33,749 to £37,490, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, black. Mileage: 18,714 miles. Price: £37,490, £500 less than this car. Dealer: Barretts BMW Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-3cd5fe0c90fe
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, blue. Mileage: 33,734 miles. Price: £34,859, £3,131 less than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-75989fb135be
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, blue. Mileage: 35,000 miles. Price: £33,749, £4,241 less than this car. Dealer: A1 Ortos in Oldham. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-e5d47cb5e624