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: 85,301 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 166 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 Xline has covered 85,301 miles, around 20,400 more miles than is typical for its age. Its asking price of £14,985 is £253 below the AskCar estimate of £15,238. 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 advert 35 days ago, and its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Auto Gallery in Hampton. 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: £253 (1%) under the AskCar estimate of £15,238.

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 35 days.

Price history

AskCar first saw this advert on 30 September 2026 at £15,985. Its asking price is now £14,985, £1,000 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 30 September 2026: £15,985
• 12 October 2026: £15,485
• 28 October 2026: £14,985

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 10 September 2027.

It has had 8 MOTs. The latest, on 11 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 85,352 miles, which matches the advertised 85,301 miles.

Advertised mileage is about 20,400 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, grey. Mileage: 82,759 miles. Price: £15,795, £810 more than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-2ff0ae24d636
• 2018 BMW X3 Xline, 2.0 petrol SUV, black. Mileage: 79,900 miles. Price: £17,099, £2,114 more than this car. Dealer: Flc in Yiewsley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6699c334bf81
• 2018 BMW X3 Xline, 2.0 petrol SUV, blue. Mileage: 79,446 miles. Price: £16,950, £1,965 more than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7d62ef605969