2023 BMW 8 Series Gran Coupe 3.0 840i M Sport

Price: £39,500. Fair price: £1,689 (4%) over the AskCar estimate of £37,811, our expected asking price for this car from its model, age, mileage and specification, drawing on 122 priced BMW 8 Series Gran Coupe adverts on AskCar as of 2 November 2026.

AskCar lists 123 used BMW 8 Series Gran Coupe from 96 UK dealerships, as of 2 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: 26,000 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 26,000 miles on the clock. The AskCar estimate for this car is £37,811. It is priced at £39,500, which is £1,689 above that estimate. The AskCar estimate draws on 122 BMW 8 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Swansea MINI, based in Swansea. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,689 (4%) over the AskCar estimate of £37,811.

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 122 priced BMW 8 Series Gran Coupe adverts across different ages and specifications, as of 2 November 2026.

A 2023 BMW 8 Series Gran Coupe with the 3.0 petrol engine is typically advertised at £37,600: the median of the 24 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2023 BMW 8 Series Gran Coupe advertised 1 day ago.

Price history

AskCar first saw this advert on 1 November 2026 at £39,500. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 2 September 2027.

It has had one MOT, on 3 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 25,330 miles, which matches the advertised 26,000 miles.

Advertised mileage is about 400 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 £34,550 to £45,000, as of 2 November 2026.

The 3 closest to this car in mileage:

2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, blue. Mileage: 26,328 miles. Price: £36,690, £2,810 less than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-d1dadfd67a3f
2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, green. Mileage: 26,450 miles. Price: £38,000, £1,500 less than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-a136a1e20711
2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, black. Mileage: 25,275 miles. Price: £38,500, £1,000 less than this car. Dealer: Sandal BMW Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-8e3bde628f27

The nearest: 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, white, 101 miles from this car. Mileage: 23,032 miles. Price: £35,990, £3,510 less than this car. Dealer: Sytner Oldbury BMW in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-7864e4614f24

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