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: 36,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 36,000 miles on the clock, this 2018 BMW X3 M Sport has done roughly 28,400 fewer miles than a typical 2018 BMW X3. The dealer is asking £22,000, which is £425 below the AskCar estimate of £22,425. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. We have tracked this advert for 5 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Sytner Oldbury BMW in Warley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £425 (1%) under the AskCar estimate of £22,425.

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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,500: the median of the 151 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2018 BMW X3 advertised 5 days ago. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 89 of the 204 first advertised between 9 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 28 October 2026 at £22,000. 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 2 November 2026: valid until 22 October 2027.

It has had 7 MOTs. The latest, on 17 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,344 miles, which matches the advertised 36,000 miles.

Advertised mileage is about 28,400 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

78 other 2018 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £13,250 to £23,289, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 35,110 miles. Price: £20,250, £1,750 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-56f153fef7db
• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 33,498 miles. Price: £21,491, £509 less than this car. Dealer: West Riding Hyundai Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-10724f152e8f
• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 40,000 miles. Price: £22,990, £990 more than this car. Dealer: Karmann Classics in Ripley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6702a1ab747d

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, white, 6 miles from this car. Mileage: 103,730 miles. Price: £14,995, £7,005 less than this car. Dealer: Hiline Motors in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f9a2f7ef4dff