2018 BMW 8 Series

3.0 840d Auto 4WD Euro 6 2dr (315 bhp)

£29,990

Fair price: within 8% of the typical £30,505 for this model, age and mileage, drawing on 180 adverts of this make and model.

Overview

Make: BMW
Model: 8 Series
Version: 3.0 840d Auto 4WD Euro 6 2dr (315 bhp)
Mileage: 42,001 miles
Year: 2018
Fuel type: Diesel
Body type: Coupe
Engine: 3.0 L
Gearbox: Automatic
Power: 315 bhp
Seats: 4
CO2: 183 g/km
Colour: Black
Doors: 2
Driven wheels: Four Wheel Drive
Engine badge: 840d
Emissions standard: Euro 6

About this car

This 2018 BMW 8 Series has covered 42,001 miles, around 17,000 fewer than typical for its age. At £29,990, it is advertised £515 below our estimated market asking price of £30,505. Our estimate draws on 180 BMW 8 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 16 days. The seller is Lloyd Colne BMW, based in Colne.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 7 October 2026, 16 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observed	Asking price
7 October 2026	£29,990
22 October 2026	£29,990

Price and mileage comparison

Estimated market asking price: £30,505. The asking price is £515 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 180 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 17,000 miles lower than typical for a 2018 BMW 8 Series.

14 other cars with the same year, trim, gearbox and fuel are for sale from £22,490 to £30,690.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£22,490	93,100 miles
£22,995	92,000 miles
£23,995	93,000 miles
£25,912	69,000 miles
£25,950	69,861 miles

These cars have covered 40,100–93,100 miles, compared with 42,001 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BMW 8 Series cars for sale · 2018 BMW 8 Series price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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