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: 99,600 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 99,600 miles, approximately 35,300 above the typical mileage for its age. Priced at £14,995, it is advertised £176 above the AskCar estimate of £14,819. The AskCar estimate uses 3,046 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 114 days ago. Its asking price has since fallen by £800. The latest recorded MOT expiry date is 28 May 2026, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Cars Market, based in Wednesbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £176 (1%) over the AskCar estimate of £14,819.

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 3,046 priced BMW X3 adverts across different ages and specifications, as of 9 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,400: the median of the 156 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 114 days.

Price history

AskCar first saw this advert on 18 July 2026 at £15,795. Its asking price is now £14,995, £800 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 18 July 2026: £15,795
• 19 July 2026: £15,790
• 27 July 2026: £15,695
• 6 August 2026: £15,150
• 17 August 2026: £15,100
• 16 October 2026: £15,150
• 21 October 2026: £14,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: the latest record we hold ran out on 28 May 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 23 May 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 89,520 miles, which matches the advertised 99,600 miles.

Advertised mileage is about 35,300 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

85 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 9 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 98,668 miles. Price: £15,490, £495 more than this car. Dealer: Xenon Automotive in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-03744430ef8f
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 101,000 miles. Price: £16,990, £1,995 more than this car. Dealer: Car Shop 365 in Bradford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b000c711bf14
• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 97,114 miles. Price: £14,898, £97 less than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-97659cc1077a

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, grey, 2 miles from this car. Mileage: 68,700 miles. Price: £21,459, £6,464 more than this car. Dealer: S&A Motorcade in Walsall. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-d2783ee47b09