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: 19,422 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 19,422 miles on the clock, this 2018 BMW X3 Xline has done roughly 45,000 fewer miles than a typical 2018 BMW X3. Priced at £23,699, it is advertised £645 above the AskCar estimate of £23,054. The AskCar estimate draws on 3,099 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Halliwell Jones Wilmslow BMW, based in Wilmslow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £645 (2%) over the AskCar estimate of £23,054.

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 3,099 priced BMW X3 adverts across different ages and specifications, as of 6 November 2026.

A 2018 BMW X3 with the 2.0 petrol engine is typically advertised at £18,400: the median of the 153 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2018 BMW X3 advertised today. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 97 of the 226 first advertised between 9 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £23,699. 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 6 November 2026: valid until 9 September 2027.

It has had 6 MOTs. The latest, on 27 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 19,071 miles, which matches the advertised 19,422 miles.

Advertised mileage is about 45,000 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

13 other 2018 BMW X3 Xline 2.0 petrol automatic SUVs are for sale at UK dealers, from £14,600 to £22,990, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 Xline, 2.0 petrol SUV, white. Mileage: 18,300 miles. Price: £22,990, £709 less than this car. Dealer: 1BR in Petersfield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5a0e0e376276
• 2018 BMW X3 Xline, 2.0 petrol SUV, black. Mileage: 44,621 miles. Price: £19,495, £4,204 less than this car. Dealer: Western Auto Solutions in West Drayton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-91b8d5a94c92
• 2018 BMW X3 Xline, 2.0 petrol SUV, blue. Mileage: 60,352 miles. Price: £17,995, £5,704 less than this car. Dealer: Car-Link in Ferndown. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-3adebd33a6f4

• The nearest: 2018 BMW X3 Xline, 2.0 petrol SUV, grey, 26 miles from this car. Mileage: 82,759 miles. Price: £15,795, £7,904 less than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-2ff0ae24d636