2023 BMW 8 Series Gran Coupe 3.0 840i M Sport

Price: £37,490. Fair price: £113 (under 1%) under the AskCar estimate of £37,603, 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 Steptronic RWD Euro 6 (s/s) 4dr (328 bhp)
  • Year: 2023
  • Mileage: 18,714 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 328 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 195 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 18,714 miles on the clock, this 2023 BMW 8 Series Gran Coupe M Sport has done roughly 7,300 fewer miles than a typical 2023 BMW 8 Series Gran Coupe. Priced at £37,490, it is advertised £113 below the AskCar estimate of £37,603. The AskCar estimate uses UK dealer asking prices, including 121 BMW 8 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 24 days ago. The seller is Barretts BMW Canterbury, based in Canterbury. 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: £113 (under 1%) under the AskCar estimate of £37,603.

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

This 2023 BMW 8 Series Gran Coupe has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 13 October 2026 at £37,490. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 7,300 miles lower than the median mileage of a 2023 BMW 8 Series Gran Coupe on AskCar.

Similar cars

3 other 2023 BMW 8 Series Gran Coupe M Sport 3.0 petrol automatic saloons are for sale at UK dealers, from £33,749 to £37,990, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, green. Mileage: 19,438 miles. Price: £37,990, £500 more than this car. Dealer: Dick Lovett in Potters Bar. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-ab2734999947
  • 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, blue. Mileage: 33,734 miles. Price: £34,859, £2,631 less than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-75989fb135be
  • 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol saloon, blue. Mileage: 35,000 miles. Price: £33,749, £3,741 less than this car. Dealer: A1 Ortos in Oldham. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-e5d47cb5e624

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

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Photos

9 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.