2018 BMW 8 Series 3.0 840d

Overview

• Make: BMW
• Model: 8 Series
• Version: 3.0 840d Steptronic 4WD Euro 6 (s/s) 2dr (316 bhp)
• Year: 2018
• Mileage: 65,000 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 316 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Orange
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 8 Series is advertised with 65,000 miles, approximately 6,000 above the typical mileage for its age. Its asking price of £26,695 is £48 below the AskCar estimate of £26,743. The AskCar estimate draws on 186 BMW 8 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 16 days ago, the asking price has dropped by £300. Its advertised mileage matches the government's MOT record. It is for sale at Copnor Road Cars in Portsmouth. 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: £48 (under 1%) under the AskCar estimate of £26,743.

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 16 days.

Price history

AskCar first saw this advert on 20 October 2026 at £26,995. Its asking price is now £26,695, £300 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 20 October 2026: £26,995
• 5 November 2026: £26,695

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 25 December 2026.

It has had 4 MOTs. The latest, on 26 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 59,248 miles, which matches the advertised 65,000 miles.

Advertised mileage is about 6,000 miles higher than the median mileage of a 2018 BMW 8 Series on AskCar.