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: 35,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 195 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 35,000 miles on the clock, this 2023 BMW 8 Series Gran Coupe M Sport has done roughly 9,000 more miles than a typical 2023 BMW 8 Series Gran Coupe. Priced at £33,749, it is advertised £1,214 below the AskCar estimate of £34,963. To work out the AskCar estimate, we analyse UK dealer adverts for 121 BMW 8 Series Gran Coupe cars across different ages and specifications. The asking price is now £2,200 lower than when we first recorded the advert 47 days ago. Its advertised mileage matches the government's MOT record. You can find this car at A1 Ortos in Oldham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,214 (3%) under the AskCar estimate of £34,963.

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 121 priced BMW 8 Series Gran Coupe adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW 8 Series Gran Coupe with the 3.0 petrol engine is typically advertised at £38,000: the median of the 23 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW 8 Series Gran Coupe has been on sale for at least 47 days.

Price history

AskCar first saw this advert on 20 September 2026 at £35,949. Its asking price is now £33,749, £2,200 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 20 September 2026: £35,949
• 9 October 2026: £34,749
• 6 November 2026: £33,749

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 13 January 2027.

It has had one MOT, on 19 December 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 27,342 miles, which matches the advertised 35,000 miles.

Advertised mileage is about 9,000 miles higher 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 £34,859 to £37,990, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, blue. Mileage: 33,734 miles. Price: £34,859, £1,110 more 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, green. Mileage: 19,438 miles. Price: £37,990, £4,241 more than this car. Dealer: Dick Lovett in Potters Bar. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-ab2734999947
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, black. Mileage: 18,714 miles. Price: £37,490, £3,741 more than this car. Dealer: Barretts BMW Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-3cd5fe0c90fe