2018 BMW X3 2.0 20d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 xDrive20d M Sport Auto 4WD Euro 6 5dr (187 bhp)
• Year: 2018
• Mileage: 46,561 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport has covered 46,561 miles, around 17,400 fewer miles than is typical for its age. Priced at £20,985, it is advertised £189 below the AskCar estimate of £21,174. The AskCar estimate uses 3,051 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Williams Liverpool Bmw, based in Liverpool. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £189 (under 1%) under the AskCar estimate of £21,174.

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 3,051 priced BMW X3 adverts across different ages and specifications, as of 10 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,500: the median of the 155 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2018 BMW X3 advertised today. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 99 of the 231 first advertised between 10 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £20,985. 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 10 November 2026: valid until 31 January 2027.

It has had 6 MOTs. The latest, on 27 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,714 miles, which matches the advertised 46,561 miles.

Advertised mileage is about 17,400 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

84 other 2018 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £12,950 to £24,450, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 47,385 miles. Price: £19,500, £1,485 less than this car. Dealer: Motor Match Chester in Chester. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-38af11d2ff2d
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 47,814 miles. Price: £21,261, £276 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e91539afb853
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 45,000 miles. Price: £22,195, £1,210 more than this car. Dealer: Peverel Car Company in Wickham Bishops. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-24b531e85016

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, 14 miles from this car. Mileage: 54,681 miles. Price: £19,695, £1,290 less than this car. Dealer: Jones Motor Company in Chester. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f9bae4513fb6