2018 BMW 3 Series 3.0
Version: 3.0 Auto
Price: £12,995. Good value: £2,883 (18%) under the AskCar estimate of £15,878, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,718 priced BMW 3 Series adverts on AskCar as of 31 October 2026.
AskCar lists 6,973 used BMW 3 Series from 2,626 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- 3 Series
- Version
- 3.0 Auto
- Mileage
- 57,000 miles
- Year
- 2018
- Fuel type
- Diesel
- Body type
- Saloon
- Engine
- 3.0 L
- Gearbox
- Automatic
- CO2
- 151 g/km
- Colour
- Black
About this car
At 57,000 miles, this 2018 BMW 3 Series has covered about 15,100 fewer miles than other 2018 BMW 3 Series cars. The AskCar estimate for this car is £15,878. It is priced at £12,995, which is £2,883 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,718 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. Its recorded MOT is valid until 17 September 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Sterling Cars in Reading.
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 | £12,995 |
Price and mileage comparison
Good value: £2,883 (18%) under the AskCar estimate of £15,878.
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 6,718 priced BMW 3 Series adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 15,100 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 17 September 2027. 56,849 miles at the last test.
Other matching cars
7 other 2018 BMW 3 Series automatic diesel cars are for sale at UK dealers from £8,999 to £18,995, as of 31 October 2026.
The 5 cheapest:
- 2018 BMW 3 Series. Price: £8,999. Mileage: 128,964 miles. Dealer: The Motor Group in Wisbech. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-2f58d6215f9c
- 2018 BMW 3 Series. Price: £9,990. Mileage: 75,330 miles. Dealer: Johnson carz in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-d0246ebb0f70
- 2018 BMW 3 Series. Price: £13,455. Mileage: 77,200 miles. Dealer: Infinity Motors in Swindon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-cb7835503fd3
- 2018 BMW 3 Series. Price: £15,989. Mileage: 47,600 miles. Dealer: Used Cars UK in Broxbourne. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-a3daa0a3b784
- 2018 BMW 3 Series. Price: £18,750. Mileage: 63,800 miles. Dealer: Love Car Deals in Radlett. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-b1c8c2e3e6a4
The 7 matching cars have covered 30,000 to 128,964 miles, compared with 57,000 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 3 Series cars for sale · 2018 BMW 3 Series price guide
More like this
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Photos
32 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.