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: 13,701 miles
• Fuel: Petrol
• Body: Coupe, 4 doors, 5 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 194 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 8 Series Gran Coupe M Sport is advertised with 13,701 miles, approximately 12,500 below the typical mileage for its age. Priced at £35,900, it is advertised £3,654 below the AskCar estimate of £39,554. 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 66 days ago, the asking price has dropped by £2,400. The seller is Marshall BMW Scunthorpe, based in Scunthorpe. 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

Good value: £3,654 (9%) under the AskCar estimate of £39,554.

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 66 days.

Price history

AskCar first saw this advert on 4 September 2026 at £38,300. Its asking price is now £35,900, £2,400 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 4 September 2026: £38,300
• 11 September 2026: £38,100
• 17 September 2026: £37,800
• 23 September 2026: £37,900
• 25 September 2026: £38,000
• 2 October 2026: £37,300
• 9 October 2026: £36,600
• 16 October 2026: £36,400
• 23 October 2026: £35,990
• 27 October 2026: £36,300
• 6 November 2026: £35,900

Mileage and MOT

Advertised mileage is about 12,500 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, blue. Mileage: 14,685 miles. Price: £38,500, £2,600 more than this car. Dealer: Sandal BMW Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-1e0958f1f038
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, green. Mileage: 15,037 miles. Price: £45,000, £9,100 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-5906aa922948
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, grey. Mileage: 15,784 miles. Price: £38,500, £2,600 more than this car. Dealer: Sandal BMW Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-586701516a08

• The nearest: 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, grey, 17 miles from this car. Mileage: 34,844 miles. Price: £37,333, £1,433 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