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: 23,032 miles
• Fuel: Petrol
• Body: Coupe, 4 doors, 5 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 194 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 23,032 miles, this 2023 BMW 8 Series Gran Coupe M Sport has covered about 3,100 fewer miles than other 2023 BMW 8 Series Gran Coupe cars. Its asking price of £35,990 is £2,085 below the AskCar estimate of £38,075. To work out the AskCar estimate, we analyse UK dealer adverts for 120 BMW 8 Series Gran Coupe cars across different ages and specifications. We first saw this car advertised 53 days ago. Its asking price has since fallen by £1,010. You can find this car at Sytner Oldbury BMW in Warley. 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: £2,085 (5%) under the AskCar estimate of £38,075.

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 53 days.

Price history

AskCar first saw this advert on 17 September 2026 at £37,000. Its asking price is now £35,990, £1,010 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 17 September 2026: £37,000
• 16 October 2026: £36,750
• 24 October 2026: £35,990

Mileage and MOT

Advertised mileage is about 3,100 miles lower 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, white. Mileage: 22,881 miles. Price: £37,995, £2,005 more than this car. Dealer: Group 1 Farnborough BMW in Farnborough. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-dfacc9564879
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, black. Mileage: 25,275 miles. Price: £38,150, £2,160 more than this car. Dealer: Sandal BMW Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-8e3bde628f27
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, blue. Mileage: 26,000 miles. Price: £39,500, £3,510 more than this car. Dealer: Sytner Swansea MINI in Swansea. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-b9cd3beb3c0f

• The nearest: 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, green, 36 miles from this car. Mileage: 15,037 miles. Price: £45,000, £9,010 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-5906aa922948