2018 BMW 8 Series 3.0 840d
Price: £29,990. Fair price: £338 (1%) under the AskCar estimate of £30,328, our expected asking price for this car from its model, age, mileage and specification, drawing on 185 priced BMW 8 Series adverts on AskCar as of 6 November 2026.
AskCar lists 193 used BMW 8 Series from 162 UK dealerships, as of 6 November 2026.
Overview
- Make: BMW
- Model: 8 Series
- Version: 3.0 840d Auto 4WD Euro 6 2dr (315 bhp)
- Year: 2018
- Mileage: 42,001 miles
- Fuel: Diesel
- Body: Coupe, 2 doors, 4 seats
- Engine: 3.0 litres, 315 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 183 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 42,001 miles, this 2018 BMW 8 Series has covered about 16,800 fewer miles than other 2018 BMW 8 Series cars. The AskCar estimate for this car is £30,328. It is priced at £29,990, which is £338 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 185 BMW 8 Series cars across different ages and specifications. We have tracked this advert for 37 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lloyd Colne BMW, based in Colne. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £338 (1%) under the AskCar estimate of £30,328.
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 185 priced BMW 8 Series adverts across different ages and specifications, as of 6 November 2026.
A 2018 BMW 8 Series with the 3.0 diesel engine is typically advertised at £27,500: the median of the 16 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2018 BMW 8 Series has been on sale for at least 37 days.
Price history
AskCar first saw this advert on 30 September 2026 at £29,990. 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 6 November 2026: valid until 22 March 2027.
It has had 7 MOTs. The latest, on 11 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 39,826 miles, which matches the advertised 42,001 miles.
Advertised mileage is about 16,800 miles lower than the median mileage of a 2018 BMW 8 Series on AskCar.
Browse all BMW 8 Series cars for sale · 2018 BMW 8 Series price guide
More like this
- Used BMW 8 Series for sale under £30,000
- Used diesel BMW 8 Series for sale
- Used BMW 8 Series for sale near Burnley
Photos
52 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.