2018 BMW X3 2.0 20d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 48,924 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 48,924 miles, this 2018 BMW X3 M Sport has covered about 16,000 fewer miles than other 2018 BMW X3 cars. Its asking price of £19,490 is £1,370 below the AskCar estimate of £20,860. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 105 days ago, and its asking price has since fallen by £1,000. Our records show an MOT expiry date of 29 June 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. You can find this car at S.J. Rayner (Cars) in Kidderminster. 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: £1,370 (6%) under the AskCar estimate of £20,860.

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 105 days.

Price history

AskCar first saw this advert on 22 July 2026 at £20,490. Its asking price is now £19,490, £1,000 less. The latest price cut was seen on 30 September 2026.

Price changes recorded:

• 22 July 2026: £20,490
• 8 September 2026: £19,990
• 30 September 2026: £19,490

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 29 June 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 24 June 2025, passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords; offside front tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 42,579 miles, which matches the advertised 48,924 miles.

Advertised mileage is about 16,000 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

79 other 2018 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £12,950 to £23,289, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 49,000 miles. Price: £23,289, £3,799 more than this car. Dealer: Starline Car Sales in Stamford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-1ad9a54dfefe
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 50,000 miles. Price: £19,495, the same price as this car. Dealer: Bateman & Lynch Cars Tavistock in Tavistock. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8c80ccda58c3
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 47,814 miles. Price: £21,261, £1,771 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e91539afb853

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, 8 miles from this car. Mileage: 42,746 miles. Price: £20,990, £1,500 more than this car. Dealer: All Electric BYD Stourbridge in Stourbridge. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-daae42dcf2d9