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: 102,000 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

At 102,000 miles, this 2018 BMW X3 Xline has covered about 37,100 more miles than other 2018 BMW X3 cars. The dealer is asking £14,600, which is £662 above the AskCar estimate of £13,938. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. The asking price is now £1,400 lower than when we first recorded the advert 57 days ago. Our latest MOT record expired on 4 October 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Browns Car Company in Maldon. 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: £662 (4%) over the AskCar estimate of £13,938.

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 57 days.

Price history

AskCar first saw this advert on 8 September 2026 at £16,000. Its asking price is now £14,600, £1,400 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 8 September 2026: £16,000
• 10 September 2026: £15,500
• 13 September 2026: £15,000
• 16 September 2026: £14,900
• 25 September 2026: £14,800
• 15 October 2026: £14,600

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 4 October 2026; ask the dealer for the current MOT.

It failed its MOT on 3 October 2025 (nearside windscreen washer provides insufficient washer liquid; offside windscreen washer provides insufficient washer liquid) and passed 1 day later, on 4 October 2025.

There were no advisories at the latest test.

Mileage at that test: 91,174 miles, which matches the advertised 102,000 miles.

Advertised mileage is about 37,100 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 £14,985 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: 85,301 miles. Price: £14,985, £385 more than this car. Dealer: Auto Gallery in Hounslow. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-570b16cf7fd6
• 2018 BMW X3 Xline, 2.0 petrol SUV, grey. Mileage: 82,759 miles. Price: £15,795, £1,195 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, £2,499 more than this car. Dealer: Flc in Yiewsley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6699c334bf81

• The nearest: 2018 BMW X3 Xline, 2.0 petrol SUV, white, 42 miles from this car. Mileage: 78,958 miles. Price: £15,949, £1,349 more than this car. Dealer: Cars Yard in Harrow. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-06ab4d392660