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: 18,300 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 166 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 Xline has covered 18,300 miles, around 46,600 fewer miles than is typical for its age. Its asking price of £22,990 is £528 above the AskCar estimate of £22,462. 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 107 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by 1BR in Petersfield. 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: £528 (2%) over the AskCar estimate of £22,462.

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 107 days.

Price history

AskCar first saw this advert on 20 July 2026 at £24,990. Its asking price is now £22,990, £2,000 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 20 July 2026: £24,990
• 6 August 2026: £24,490
• 3 October 2026: £23,490
• 15 October 2026: £22,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 22 November 2026.

It has had 5 MOTs. The latest, on 11 November 2025, passed.

Advisories at the latest test: tyre slightly damaged/cracking or perishing front and rear.

Mileage at that test: 17,581 miles, which matches the advertised 18,300 miles.

Advertised mileage is about 46,600 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 £19,495, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 Xline, 2.0 petrol SUV, black. Mileage: 44,621 miles. Price: £19,495, £3,495 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, £4,995 less 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, black. Mileage: 63,299 miles. Price: £17,695, £5,295 less than this car. Dealer: Carite in Swindon. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-0875da8356be

• The nearest: 2018 BMW X3 Xline, 2.0 petrol SUV, blue, 37 miles from this car. Mileage: 79,446 miles. Price: £16,950, £6,040 less than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7d62ef605969