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: 31,096 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 Xline is advertised with 31,096 miles, approximately 33,800 below the typical mileage for its age. The dealer is asking £20,995, which is £728 below the AskCar estimate of £21,723. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. It first appeared in our advert records 28 days ago. The recorded MOT expired on 5 July 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. The seller is Park's Motor Group Douglas Park BMW Edinburgh, based in Edinburgh. 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: £728 (3%) under the AskCar estimate of £21,723.

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 28 days.

Price history

AskCar first saw this advert on 7 October 2026 at £20,995. Its asking price has not changed.

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 5 July 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 4 July 2025, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge 2mm and worn smooth inner edge.

Mileage at that test: 26,550 miles, which matches the advertised 31,096 miles.

Advertised mileage is about 33,800 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 £20,998, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 Xline, 2.0 diesel SUV, silver. Mileage: 29,835 miles. Price: £20,399, £596 less than this car. Dealer: Motorplus South Wales in Newport. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-a0db97a0ce1b
• 2018 BMW X3 Xline, 2.0 diesel SUV, silver. Mileage: 33,995 miles. Price: £20,890, £105 less than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-d95a4def6d12
• 2018 BMW X3 Xline, 2.0 diesel SUV, white. Mileage: 38,873 miles. Price: £19,995, £1,000 less than this car. Dealer: TF Car Centre in Euxton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8259245ecf83

• The nearest: 2018 BMW X3 Xline, 2.0 diesel SUV, grey, 65 miles from this car. Mileage: 53,622 miles. Price: £20,998, the same price as this car. Dealer: Arnold Clark Irvine BMW in Irvine. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ce3f9b02e172