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: 10,543 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

With 10,543 miles on the clock, this 2023 BMW 8 Series M Sport has done roughly 7,300 fewer miles than a typical 2023 BMW 8 Series. The AskCar estimate for this car is £42,271. It is priced at £42,898, which is £627 above that estimate. 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 90 days ago, and its asking price has since fallen by £1,100. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Kirkcaldy BMW, based in Kirkcaldy. 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: £627 (1%) over the AskCar estimate of £42,271.

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 90 days.

Price history

AskCar first saw this advert on 6 August 2026 at £43,998. Its asking price is now £42,898, £1,100 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 6 August 2026: £43,998
• 10 October 2026: £43,898
• 21 October 2026: £42,898

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 August 2027.

It has had one MOT, on 6 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 10,552 miles, which matches the advertised 10,543 miles.

Advertised mileage is about 7,300 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 £42,099, as of 4 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, £1,898 less 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: 13,030 miles. Price: £42,099, £799 less than this car. Dealer: cinch in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-746da0dd154a
• 2023 BMW 8 Series M Sport, 3.0 petrol coupe, blue. Mileage: 14,685 miles. Price: £38,500, £4,398 less than this car. Dealer: MINI UK at Sandal Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-b00041ed4942