2018 BMW X3 2.0 20d Xline

Overview

• Make: BMW
• Model: X3
• Trim: Xline
• Version: 2.0 xDrive20d Xline Auto 4WD Euro 6 5dr (187 bhp)
• Year: 2018
• Mileage: 53,622 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 53,622 miles, this 2018 BMW X3 Xline has covered about 11,300 fewer miles than other 2018 BMW X3 cars. Its asking price of £20,998 is £1,728 above the AskCar estimate of £19,270. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 48 days ago, the asking price has dropped by £1,000. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Irvine BMW, based in Irvine. 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

Above the going rate: £1,728 (8%) over the AskCar estimate of £19,270.

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 diesel 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 48 days.

Price history

AskCar first saw this advert on 17 September 2026 at £21,998. Its asking price is now £20,998, £1,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 17 September 2026: £21,998
• 4 November 2026: £20,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 11 September 2027.

It has had 6 MOTs. The latest, on 10 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,627 miles, which matches the advertised 53,622 miles.

Advertised mileage is about 11,300 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

14 other 2018 BMW X3 Xline 2.0 diesel automatic SUVs are for sale at UK dealers, from £12,611 to £20,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 Xline, 2.0 diesel SUV, silver. Mileage: 51,000 miles. Price: £17,595, £3,403 less than this car. Dealer: SD Automotive in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-08aeb5847c7a
• 2018 BMW X3 Xline, 2.0 diesel SUV, white. Mileage: 63,212 miles. Price: £17,790, £3,208 less than this car. Dealer: Williams Liverpool Bmw in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7e2363531a59
• 2018 BMW X3 Xline, 2.0 diesel SUV, blue. Mileage: 67,281 miles. Price: £17,992, £3,006 less than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-61b032eff597

• The nearest: 2018 BMW X3 Xline, 2.0 diesel SUV, silver, 65 miles from this car. Mileage: 31,096 miles. Price: £20,995, the same price as this car. Dealer: Park's Motor Group Douglas Park BMW Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-a59eb853b251