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 Auto RWD Euro 6 4dr (328 bhp)
• Year: 2023
• Mileage: 34,844 miles
• Fuel: Petrol
• Body: Coupe, 4 doors, 5 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 194 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 8 Series Gran Coupe M Sport has covered 34,844 miles, around 8,700 more miles than is typical for its age. Priced at £37,333, it is advertised £1,249 above the AskCar estimate of £36,084. To work out the AskCar estimate, we analyse UK dealer adverts for 120 BMW 8 Series Gran Coupe cars across different ages and specifications. Since we first spotted the advert 31 days ago, the asking price has dropped by £167. The seller is Stratstone Bmw Hull, based in Hull. 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: £1,249 (3%) over the AskCar estimate of £36,084.

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 31 days.

Price history

AskCar first saw this advert on 9 October 2026 at £37,500. Its asking price is now £37,333, £167 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 9 October 2026: £37,500
• 15 October 2026: £37,690
• 16 October 2026: £37,680
• 27 October 2026: £37,490
• 7 November 2026: £37,333

Mileage and MOT

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

Similar cars

16 other 2023 BMW 8 Series Gran Coupe M Sport 3.0 petrol automatic coupes are for sale at UK dealers, from £34,495 to £45,000, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, grey. Mileage: 34,500 miles. Price: £38,980, £1,647 more than this car. Dealer: Tier One Automotive in Kings Langley. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-a71a9b394bc1
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, grey. Mileage: 35,966 miles. Price: £34,495, £2,838 less than this car. Dealer: Vines of Gatwick BMW in Crawley. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-d9ff20b6943d
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, black. Mileage: 30,879 miles. Price: £37,645, £312 more than this car. Dealer: Group 1 Borehamwood BMW in Borehamwood. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-661c3d565656

• The nearest: 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, blue, 17 miles from this car. Mileage: 13,701 miles. Price: £35,900, £1,433 less than this car. Dealer: Marshall BMW Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-6e8328b56090