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: 97,114 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 97,114 miles, approximately 32,700 above the typical mileage for its age. The dealer is asking £15,298, which is £93 above the AskCar estimate of £15,205. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. We first saw this car advertised 30 days ago. Its asking price has since fallen by £202. The government's MOT record matches its advertised mileage. It is for sale at Your Car Supermarket in Birmingham. 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: £93 (under 1%) over the AskCar estimate of £15,205.

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

This 2018 BMW X3 has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £15,500. Its asking price is now £15,298, £202 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

• 3 October 2026: £15,500
• 26 October 2026: £15,298

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 February 2027.

It has had 6 MOTs. The latest, on 3 February 2026, passed.

Advisories at the latest test: offside front play in steering rack inner joint(s).

Mileage at that test: 86,692 miles, which matches the advertised 97,114 miles.

Advertised mileage is about 32,700 miles higher 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: 96,759 miles. Price: £18,750, £3,452 more than this car. Dealer: Sytner Nottingham BMW in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-79f69a973caa
• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 95,581 miles. Price: £14,999, £299 less than this car. Dealer: Motormill in Warrington. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7aa216dcaa02
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 98,668 miles. Price: £15,490, £192 more than this car. Dealer: Xenon Automotive in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-03744430ef8f

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, white, 5 miles from this car. Mileage: 103,730 miles. Price: £14,995, £303 less than this car. Dealer: Hiline Motors in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f9a2f7ef4dff