2018 BMW X3 2.0 20i Xline

Overview

• Make: BMW
• Model: X3
• Trim: Xline
• Version: 2.0 xDrive20i Xline Auto 4WD Euro 6 5dr (181 bhp)
• Year: 2018
• Mileage: 79,446 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 176 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 Xline is advertised with 79,446 miles, approximately 14,600 above the typical mileage for its age. Its asking price of £16,950 is £810 above the AskCar estimate of £16,140. The AskCar estimate uses UK dealer asking prices, including 3,076 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 75 days ago. Its asking price has since fallen by £2,500. The latest recorded MOT expiry date is 14 September 2026, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Maidenhead BMW, based in Maidenhead. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £810 (5%) over the AskCar estimate of £16,140.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW X3 with the 2.0 petrol engine is typically advertised at £18,300: the median of the 150 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 75 days.

Price history

AskCar first saw this advert on 22 August 2026 at £19,450. Its asking price is now £16,950, £2,500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 22 August 2026: £19,450
• 17 September 2026: £18,950
• 3 October 2026: £18,750
• 12 October 2026: £18,250
• 20 October 2026: £17,750
• 23 October 2026: £17,450
• 4 November 2026: £16,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 14 September 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 15 September 2025, passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 70,183 miles, which matches the advertised 79,446 miles.

Advertised mileage is about 14,600 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

12 other 2018 BMW X3 Xline 2.0 petrol automatic SUVs are for sale at UK dealers, from £14,600 to £23,699, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 Xline, 2.0 petrol SUV, black. Mileage: 79,900 miles. Price: £17,099, £149 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, white. Mileage: 78,958 miles. Price: £15,949, £1,001 less than this car. Dealer: Cars Yard in Harrow. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-06ab4d392660
• 2018 BMW X3 Xline, 2.0 petrol SUV, grey. Mileage: 82,759 miles. Price: £15,795, £1,155 less than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-2ff0ae24d636

• The nearest: 2018 BMW X3 Xline, 2.0 petrol SUV, black, 7 miles from this car. Mileage: 44,621 miles. Price: £19,495, £2,545 more than this car. Dealer: Western Auto Solutions in West Drayton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-91b8d5a94c92