2023 BMW 8 Series Gran Coupe 3.0 840i M Sport

Price: £40,950. Fair price: £1,006 (2%) over the AskCar estimate of £39,944, our expected asking price for this car from its model, age, mileage and specification, drawing on 121 priced BMW 8 Series Gran Coupe adverts on AskCar as of 6 November 2026.

AskCar lists 121 used BMW 8 Series Gran Coupe from 96 UK dealerships, as of 6 November 2026.

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: 11,609 miles
  • Fuel: Petrol
  • Body: Coupe, 4 doors, 5 seats
  • Engine: 3.0 litres, 328 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Green
  • CO2: 194 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 11,609 miles on the clock, this 2023 BMW 8 Series Gran Coupe M Sport has done roughly 14,400 fewer miles than a typical 2023 BMW 8 Series Gran Coupe. Its asking price of £40,950 is £1,006 above the AskCar estimate of £39,944. To work out the AskCar estimate, we analyse UK dealer adverts for 121 BMW 8 Series Gran Coupe cars across different ages and specifications. We first recorded this car for sale 2 days ago. The seller is JKC BMW, based in Coleraine. 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: £1,006 (2%) over the AskCar estimate of £39,944.

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

AskCar first saw this 2023 BMW 8 Series Gran Coupe advertised 2 days ago.

Price history

AskCar first saw this advert on 4 November 2026 at £40,950. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 14,400 miles lower than the median mileage of a 2023 BMW 8 Series Gran Coupe on AskCar.

Similar cars

17 other 2023 BMW 8 Series Gran Coupe M Sport 3.0 petrol automatic coupes are for sale at UK dealers, from £34,550 to £45,000, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, blue. Mileage: 13,701 miles. Price: £35,900, £5,050 less than this car. Dealer: Marshall BMW Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-6e8328b56090
  • 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, blue. Mileage: 14,685 miles. Price: £38,500, £2,450 less 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, £4,050 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-5906aa922948

Browse all BMW 8 Series Gran Coupe cars for sale · 2023 BMW 8 Series Gran Coupe price guide

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Photos

33 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.