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: 26,450 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

This 2023 BMW 8 Series Gran Coupe M Sport has covered 26,450 miles. Priced at £38,000, it is advertised £463 above the AskCar estimate of £37,537. The AskCar estimate uses UK dealer asking prices, including 120 BMW 8 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 38 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. The seller is Sytner High Wycombe BMW, based in High Wycombe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £463 (1%) over the AskCar estimate of £37,537.

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 8 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 8 November 2026.

Time on sale

This 2023 BMW 8 Series Gran Coupe has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 1 October 2026 at £38,500. Its asking price is now £38,000, £500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 1 October 2026: £38,500
• 27 October 2026: £38,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 21 May 2027.

It has had one MOT, on 22 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 20,107 miles, which matches the advertised 26,450 miles.

Advertised mileage is about 300 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 £34,495 to £45,000, as of 8 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, £1,310 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, blue. Mileage: 26,000 miles. Price: £39,500, £1,500 more than this car. Dealer: Sytner Swansea MINI in Swansea. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-b9cd3beb3c0f
• 2023 BMW 8 Series Gran Coupe M Sport, 3.0 petrol coupe, black. Mileage: 25,275 miles. Price: £38,150, £150 more 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, black, under a mile from this car. Mileage: 41,967 miles. Price: £39,000, £1,000 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-8-series-gran-coupe-2023-c7a1cdeb3501