2018 BMW 8 Series 3.0 840d

Overview

• Make: BMW
• Model: 8 Series
• Version: 3.0 840d Auto 4WD Euro 6 2dr (315 bhp)
• Year: 2018
• Mileage: 53,650 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 315 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 183 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 8 Series has covered 53,650 miles, around 5,400 fewer miles than is typical for its age. The AskCar estimate for this car is £28,523. It is priced at £27,995, which is £528 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. Since we first spotted the advert 161 days ago, the asking price has dropped by £2,000. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Quality Cars Today in Sheffield. 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: £528 (1%) under the AskCar estimate of £28,523.

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 2018 BMW 8 Series with the 3.0 diesel engine is typically advertised at £27,000: the median of the 17 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW 8 Series has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £29,995. Its asking price is now £27,995, £2,000 less. The latest price cut was seen on 15 September 2026.

Price changes recorded:

• 28 May 2026: £29,995
• 15 July 2026: £28,995
• 15 September 2026: £27,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 10 March 2027.

It has had 5 MOTs. The latest, on 11 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,527 miles, which matches the advertised 53,650 miles.

Advertised mileage is about 5,400 miles lower than the median mileage of a 2018 BMW 8 Series on AskCar.