2018 BMW 8 Series 3.0 840d
Version: 3.0 840d Steptronic 4WD Euro 6 (s/s) 2dr (316 bhp)
Price: £24,495. Fair price: £1,676 (6%) under the AskCar estimate of £26,171, our expected asking price for this car from its model, age, mileage and specification, drawing on 176 priced BMW 8 Series adverts on AskCar as of 1 November 2026.
AskCar lists 183 used BMW 8 Series from 157 UK dealerships, as of 1 November 2026.
Overview
- Make
- BMW
- Model
- 8 Series
- Version
- 3.0 840d Steptronic 4WD Euro 6 (s/s) 2dr (316 bhp)
- Mileage
- 68,065 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
At 68,065 miles, this 2018 BMW 8 Series has covered about 9,200 more miles than other 2018 BMW 8 Series cars. The dealer is asking £24,495, which is £1,676 below the AskCar estimate of £26,171. To work out the AskCar estimate, we analyse UK dealer adverts for 176 BMW 8 Series cars across different ages and specifications. It first appeared in our advert records today. MOT records show an expiry date of 28 November 2026, and the latest recorded mileage is consistent with the advert. It is for sale at Tenby Car Supermarket in Luton.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £24,495 |
Price and mileage comparison
Fair price: £1,676 (6%) under the AskCar estimate of £26,171.
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 176 priced BMW 8 Series adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 9,200 miles higher 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 28 November 2026. 58,537 miles at the last test.
Other matching cars
15 other 2018 BMW 8 Series automatic diesel cars are for sale at UK dealers from £22,490 to £30,690, as of 1 November 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 15 matching cars have covered 39,000 to 93,100 miles, compared with 68,065 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
10 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 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.