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: 69,861 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 316 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: White
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 8 Series has covered 69,861 miles, around 11,200 more miles than is typical for its age. Priced at £25,950, it is advertised £570 above the AskCar estimate of £25,380. To work out the AskCar estimate, we analyse UK dealer adverts for 183 BMW 8 Series cars across different ages and specifications. We have tracked this advert for 24 days. Our latest MOT record expired on 23 February 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. It is advertised by JS Prestige and Performance in Potters BAR. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £570 (2%) over the AskCar estimate of £25,380.

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 183 priced BMW 8 Series adverts across different ages and specifications, as of 7 November 2026.

A 2018 BMW 8 Series with the 3.0 diesel engine is typically advertised at £28,000: the median of the 15 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 BMW 8 Series has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 14 October 2026 at £25,950. 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 7 November 2026: the latest record we hold ran out on 23 February 2026; ask the dealer for the current MOT.

It failed its MOT on 18 February 2025 (nearside front windscreen wiper blade defective smearing; offside front windscreen wiper blade defective smearing; windscreen excessively tinted but not adversely affecting driver's view; and 3 more) and passed later the same day.

Advisories at the latest test: covers + shields fitted; front windscreen excessively tinted but not adversely affecting driver's view; front window seriously discoloured but not adversely affecting driver's view both sides; and 3 more.

Mileage at that test: 65,441 miles, which matches the advertised 69,861 miles.

Advertised mileage is about 11,200 miles higher than the median mileage of a 2018 BMW 8 Series on AskCar.