2023 BMW 8 Series 3.0 840i M Sport

Overview

• Make: BMW
• Model: 8 Series
• Trim: M Sport
• Version: 3.0 840i M Sport Auto RWD Euro 6 (328 bhp)
• Year: 2023
• Mileage: 4,433 miles
• Fuel: Petrol
• Body: Coupe
• 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 M Sport has covered 4,433 miles, around 13,400 fewer miles than is typical for its age. The AskCar estimate for this car is £42,122. It is priced at £40,751, which is £1,371 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 186 BMW 8 Series cars across different ages and specifications. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at BMW Park Lane in London. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,371 (3%) under the AskCar estimate of £42,122.

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 186 priced BMW 8 Series adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW 8 Series with the 3.0 petrol engine is typically advertised at £40,300: the median of the 12 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2023 BMW 8 Series advertised today.

Price history

AskCar first saw this advert on 5 November 2026 at £40,751. 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 5 November 2026: valid until 29 September 2027.

It has had one MOT, on 24 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 4,350 miles, which matches the advertised 4,433 miles.

Advertised mileage is about 13,400 miles lower than the median mileage of a 2023 BMW 8 Series on AskCar.

Similar cars

8 other 2023 BMW 8 Series M Sport 3.0 petrol automatic coupes are for sale at UK dealers, from £35,190 to £42,898, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 8 Series M Sport, 3.0 petrol coupe, black. Mileage: 9,259 miles. Price: £41,000, £249 more than this car. Dealer: John Clark BMW Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-0485eded6f10
• 2023 BMW 8 Series M Sport, 3.0 petrol coupe, blue. Mileage: 10,543 miles. Price: £42,898, £2,147 more than this car. Dealer: Arnold Clark Kirkcaldy BMW in Kirkcaldy. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-9ff3d790756c
• 2023 BMW 8 Series M Sport, 3.0 petrol coupe, blue. Mileage: 13,030 miles. Price: £42,099, £1,348 more than this car. Dealer: cinch in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-746da0dd154a

• The nearest: 2023 BMW 8 Series M Sport, 3.0 petrol coupe, black, under a mile from this car. Mileage: 20,221 miles. Price: £37,421, £3,330 less than this car. Dealer: BMW Park Lane in City of Westminster. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-19625c19ec9a