2018 BMW X3 2.0 20d Xline
Price: £13,430. Fair price: £299 (2%) under the AskCar estimate of £13,729, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,034 priced BMW X3 adverts on AskCar as of 4 November 2026.
AskCar lists 3,115 used BMW X3 from 1,212 UK dealerships, as of 4 November 2026.
Overview
- Make: BMW
- Model: X3
- Trim: Xline
- Version: 2.0 20d Xline Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
- Year: 2018
- Mileage: 97,434 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 144 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 BMW X3 Xline has covered 97,434 miles, around 32,600 more miles than is typical for its age. The AskCar estimate for this car is £13,729. It is priced at £13,430, which is £299 below that estimate. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 71 days ago. Its asking price has since fallen by £1,560. The government's MOT record matches its advertised mileage. You can find this car at Silver Birch Motor Company in Sutton Coldfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £299 (2%) under the AskCar estimate of £13,729.
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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.
A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,400: the median of the 147 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2018 BMW X3 has been on sale for at least 71 days.
Price history
AskCar first saw this advert on 25 August 2026 at £14,990. Its asking price is now £13,430, £1,560 less. The latest price cut was seen on 21 October 2026.
Price changes recorded:
- 25 August 2026: £14,990
- 5 September 2026: £14,790
- 8 September 2026: £14,690
- 10 September 2026: £14,490
- 16 September 2026: £14,390
- 21 September 2026: £13,990
- 25 September 2026: £13,890
- 27 September 2026: £13,790
- 7 October 2026: £13,490
- 21 October 2026: £13,430
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 August 2027.
It has had 6 MOTs. The latest, on 20 August 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 97,424 miles, which matches the advertised 97,434 miles.
Advertised mileage is about 32,600 miles higher than the median mileage of a 2018 BMW X3 on AskCar.
Similar cars
14 other 2018 BMW X3 Xline 2.0 diesel automatic SUVs are for sale at UK dealers, from £12,611 to £20,998, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2018 BMW X3 Xline, 2.0 diesel SUV, blue. Mileage: 99,710 miles. Price: £13,995, £565 more than this car. Dealer: Globe Automotive in Stourbridge. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-dbf7e370e1eb
- 2018 BMW X3 Xline, 2.0 diesel SUV, white. Mileage: 94,100 miles. Price: £13,497, £67 more than this car. Dealer: Car Kultur in Aston Sandford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-817c9e8878ad
- 2018 BMW X3 Xline, 2.0 diesel SUV, grey. Mileage: 106,776 miles. Price: £12,611, £819 less than this car. Dealer: Wiz Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-440eb52d236a
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
More like this
- Used BMW X3 Xline prices
- Used BMW X3 for sale under £15,000
- Used diesel BMW X3 for sale
- Used BMW X3 for sale near Tamworth
Photos
44 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.