2018 BMW 8 Series 3.0 840d
Version: 3.0 840d Steptronic 4WD Euro 6 (s/s) 2dr (316 bhp)
Price: £29,990. Fair price: £1,246 (3%) under the AskCar estimate of £31,236, our expected asking price for this car from its model, age, mileage and specification, drawing on 177 priced BMW 8 Series adverts on AskCar as of 31 October 2026.
AskCar lists 184 used BMW 8 Series from 158 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- 8 Series
- Version
- 3.0 840d Steptronic 4WD Euro 6 (s/s) 2dr (316 bhp)
- Mileage
- 39,000 miles
- Year
- 2018
- Fuel type
- Diesel
- Body type
- Coupe
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 316 bhp
- Seats
- 4
- CO2
- 160 g/km
- Colour
- Blue
- Doors
- 2
- Driven wheels
- Four Wheel Drive
- Gearbox version
- Steptronic
- Engine badge
- 840d
- Emissions standard
- Euro 6
About this car
This 2018 BMW 8 Series has covered 39,000 miles, around 19,700 fewer miles than is typical for its age. Priced at £29,990, it is advertised £1,246 below the AskCar estimate of £31,236. The AskCar estimate uses UK dealer asking prices, including 177 BMW 8 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. MOT records show an expiry date of 27 October 2027, and the latest recorded mileage is consistent with the advert. It is advertised by LTV in Bury.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £29,990 |
Price and mileage comparison
Fair price: £1,246 (3%) under the AskCar estimate of £31,236.
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 177 priced BMW 8 Series adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 19,700 miles lower than the median mileage of a 2018 BMW 8 Series on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 27 October 2027. 39,449 miles at the last test.
Other matching cars
14 other 2018 BMW 8 Series automatic diesel cars are for sale at UK dealers from £22,490 to £30,690, as of 31 October 2026.
The 5 cheapest:
- 2018 BMW 8 Series. Price: £22,490. Mileage: 93,100 miles. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-8-series-2018-ea48dc6a1466
- 2018 BMW 8 Series. Price: £22,995. Mileage: 92,000 miles. Dealer: Wheels Excellence in Chesham. AskCar page: https://askcar.co.uk/car/bmw-8-series-2018-a922728c1ed0
- 2018 BMW 8 Series. Price: £23,995. Mileage: 93,000 miles. Dealer: Diamond Motor House in Leeds. AskCar page: https://askcar.co.uk/car/bmw-8-series-2018-9e33509d4844
- 2018 BMW 8 Series. Price: £25,950. Mileage: 69,861 miles. Dealer: JS Prestige and Performance in Potters Bar. AskCar page: https://askcar.co.uk/car/bmw-8-series-2018-61a9ec0c3a97
- 2018 BMW 8 Series. Price: £26,495. Mileage: 59,000 miles. Dealer: Hurleyhouse (Cars) in Kingswood and Fishponds. AskCar page: https://askcar.co.uk/car/bmw-8-series-2018-3b1345706205
The 14 matching cars have covered 40,100 to 93,100 miles, compared with 39,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW 8 Series cars for sale · 2018 BMW 8 Series price guide
More like this
Photos
65 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.