2018 BMW X3 2.0 20i Xline

Overview

• Make: BMW
• Model: X3
• Trim: Xline
• Version: 2.0 20i Xline Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2018
• Mileage: 63,299 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

This 2018 BMW X3 Xline is advertised with 63,299 miles on the clock. The AskCar estimate for this car is £18,306. It is priced at £17,695, which is £611 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. We first recorded this car for sale 38 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Carite in Swindon. 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: £611 (3%) under the AskCar estimate of £18,306.

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 38 days.

Price history

AskCar first saw this advert on 27 September 2026 at £17,695. 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 4 November 2026: valid until 19 June 2027.

It has had 7 MOTs. The latest, on 22 May 2026, passed.

Advisories at the latest test: rear registration plate deteriorated but not likely to be misread; nearside front tyre worn close to legal limit/worn on edge; nearside rear tyre worn close to legal limit/worn on edge; and 1 more.

Mileage at that test: 60,798 miles, which matches the advertised 63,299 miles.

Advertised mileage is about 1,600 miles lower 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, blue. Mileage: 60,352 miles. Price: £17,995, £300 more than this car. Dealer: Car-Link in Ferndown. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-3adebd33a6f4
• 2018 BMW X3 Xline, 2.0 petrol SUV, silver. Mileage: 67,360 miles. Price: £16,800, £895 less 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, black. Mileage: 71,950 miles. Price: £16,495, £1,200 less than this car. Dealer: Car Brothers NI in Newtownabbey. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e7d571347bf1

• The nearest: 2018 BMW X3 Xline, 2.0 petrol SUV, blue, 47 miles from this car. Mileage: 79,446 miles. Price: £16,950, £745 less than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7d62ef605969