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: 35,966 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

At 35,966 miles, this 2023 BMW 8 Series Gran Coupe M Sport has covered about 9,800 more miles than other 2023 BMW 8 Series Gran Coupe cars. Its asking price of £34,495 is £1,372 below the AskCar estimate of £35,867. 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 recorded this advert 28 days ago, and its asking price has since fallen by £500. You can find this car at Vines of Gatwick BMW in Crawley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,372 (3%) under the AskCar estimate of £35,867.

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 7 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 7 November 2026.

Time on sale

This 2023 BMW 8 Series Gran Coupe has been on sale for at least 28 days.

Price history

AskCar first saw this advert on 10 October 2026 at £34,995. Its asking price is now £34,495, £500 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 10 October 2026: £34,995
• 18 October 2026: £34,720
• 25 October 2026: £34,620
• 31 October 2026: £34,550
• 7 November 2026: £34,495

Mileage and MOT

Advertised mileage is about 9,800 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 £35,900 to £45,000, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, grey. Mileage: 34,844 miles. Price: £37,333, £2,838 more than this car. Dealer: Stratstone Bmw Hull in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-60162e049f5d
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, grey. Mileage: 34,500 miles. Price: £38,980, £4,485 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, black. Mileage: 30,879 miles. Price: £37,645, £3,150 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, black, 25 miles from this car. Mileage: 28,785 miles. Price: £36,995, £2,500 more than this car. Dealer: Group 1 Worthing BMW in Worthing. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-af9ee9875f4f