2018 BMW X3 2.0 20i Xline

Overview

• Make: BMW
• Model: X3
• Trim: Xline
• Version: 2.0 20i GPF Xline Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2018
• Mileage: 71,950 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 166 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 71,950 miles on the clock, this 2018 BMW X3 Xline has done roughly 7,100 more miles than a typical 2018 BMW X3. The dealer is asking £16,495, which is £252 below the AskCar estimate of £16,747. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. We first saw this car advertised 22 days ago. Its asking price has since fallen by £500. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Car Brothers NI in Newtownabbey. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £252 (1%) under the AskCar estimate of £16,747.

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 petrol 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 22 days.

Price history

AskCar first saw this advert on 13 October 2026 at £16,995. Its asking price is now £16,495, £500 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 13 October 2026: £16,995
• 1 November 2026: £16,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 30 January 2027.

It failed its MOT on 30 January 2025 and passed 1 day later, on 31 January 2025.

There were no advisories at the latest test.

Mileage at that test: 59,736 miles, which matches the advertised 71,950 miles.

Advertised mileage is about 7,100 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

11 other 2018 BMW X3 Xline 2.0 petrol automatic SUVs are for sale at UK dealers, from £14,600 to £22,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 Xline, 2.0 petrol SUV, silver. Mileage: 67,360 miles. Price: £16,800, £305 more than this car. Dealer: Driven of York in Tadcaster. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-46472c88553f
• 2018 BMW X3 Xline, 2.0 petrol SUV, white. Mileage: 78,958 miles. Price: £15,949, £546 less than this car. Dealer: Cars Yard in Harrow. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-06ab4d392660
• 2018 BMW X3 Xline, 2.0 petrol SUV, blue. Mileage: 79,446 miles. Price: £16,950, £455 more than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7d62ef605969

• The nearest: 2018 BMW X3 Xline, 2.0 petrol SUV, grey, 162 miles from this car. Mileage: 82,759 miles. Price: £15,795, £700 less than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-2ff0ae24d636