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: 78,958 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 is advertised with 78,958 miles, approximately 14,100 above the typical mileage for its age. Its asking price of £15,949 is £438 below the AskCar estimate of £16,387. 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 100 days ago, and its asking price has since fallen by £550. Our latest MOT record expired on 12 October 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. You can find this car at Cars Yard in London. 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: £438 (2%) under the AskCar estimate of £16,387.

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 100 days.

Price history

AskCar first saw this advert on 27 July 2026 at £16,499. Its asking price is now £15,949, £550 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 27 July 2026: £16,499
• 28 September 2026: £16,199
• 1 October 2026: £15,999
• 17 October 2026: £16,249
• 31 October 2026: £15,949

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 12 October 2026; ask the dealer for the current MOT.

It failed its MOT on 24 September 2025 (engine MIL inoperative or indicates a malfunction) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 72,588 miles, which matches the advertised 78,958 miles.

Advertised mileage is about 14,100 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, blue. Mileage: 79,446 miles. Price: £16,950, £1,001 more than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7d62ef605969
• 2018 BMW X3 Xline, 2.0 petrol SUV, black. Mileage: 79,900 miles. Price: £17,099, £1,150 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, grey. Mileage: 82,759 miles. Price: £15,795, £154 less than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-2ff0ae24d636