2023 BMW 8 Series 3.0 840i M Sport

Overview

• Make: BMW
• Model: 8 Series
• Trim: M Sport
• Version: 3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 2dr (328 bhp)
• Year: 2023
• Mileage: 13,030 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 191 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 8 Series M Sport has covered 13,030 miles, around 4,800 fewer miles than is typical for its age. Priced at £42,099, it is advertised £283 above the AskCar estimate of £41,816. The AskCar estimate uses 182 UK dealer adverts for the BMW 8 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 28 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. The seller is cinch, based in Scunthorpe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £283 (under 1%) over the AskCar estimate of £41,816.

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 182 priced BMW 8 Series adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW 8 Series with the 3.0 petrol engine is typically advertised at £39,900: the median of the 11 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW 8 Series has been on sale for at least 28 days.

Price history

AskCar first saw this advert on 7 October 2026 at £42,599. Its asking price is now £42,099, £500 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 7 October 2026: £42,599
• 9 October 2026: £42,399
• 16 October 2026: £42,299
• 23 October 2026: £41,999
• 27 October 2026: £42,099

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 13 September 2027.

It has had one MOT, on 25 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 12,719 miles, which matches the advertised 13,030 miles.

Advertised mileage is about 4,800 miles lower than the median mileage of a 2023 BMW 8 Series on AskCar.

Similar cars

7 other 2023 BMW 8 Series M Sport 3.0 petrol automatic coupes are for sale at UK dealers, from £35,990 to £42,898, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 8 Series M Sport, 3.0 petrol coupe, blue. Mileage: 14,685 miles. Price: £38,500, £3,599 less than this car. Dealer: MINI UK at Sandal Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-b00041ed4942
• 2023 BMW 8 Series M Sport, 3.0 petrol coupe, blue. Mileage: 10,543 miles. Price: £42,898, £799 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, black. Mileage: 9,259 miles. Price: £41,000, £1,099 less than this car. Dealer: John Clark BMW Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-0485eded6f10