2018 BMW X3 2.0 Xline
Price: £18,495. Fair price: £1,241 (7%) over the AskCar estimate of £17,254, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,033 priced BMW X3 adverts on AskCar as of 8 November 2026.
AskCar lists 3,134 used BMW X3 from 1,223 UK dealerships, as of 8 November 2026.
Overview
- Make: BMW
- Model: X3
- Trim: Xline
- Version: 2.0 Xline Semi-Auto
- Year: 2018
- Mileage: 53,000 miles
- Fuel: Diesel
- Engine: 2.0 litres
- Gearbox: Semi-Automatic
- Colour: Black
- CO2: 138 g/km
About this car
This 2018 BMW X3 Xline is advertised with 53,000 miles, approximately 10,700 below the typical mileage for its age. Its asking price of £18,495 is £1,241 above the AskCar estimate of £17,254. To work out the AskCar estimate, we analyse UK dealer adverts for 3,033 BMW X3 cars across different ages and specifications. It first appeared in our advert records 36 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Frank Gardiner Motors in Craigavon. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £1,241 (7%) over the AskCar estimate of £17,254.
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 3,033 priced BMW X3 adverts across different ages and specifications, as of 8 November 2026.
A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,500: the median of the 157 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2018 BMW X3 has been on sale for at least 36 days.
Price history
AskCar first saw this advert on 3 October 2026 at £18,495. 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 8 November 2026: valid until 12 August 2027.
It has had 4 MOTs. The latest, on 16 July 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 51,333 miles, which matches the advertised 53,000 miles.
Advertised mileage is about 10,700 miles lower than the median mileage of a 2018 BMW X3 on AskCar.
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
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Photos
28 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.