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: 87,392 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport has covered 87,392 miles, around 23,000 more miles than is typical for its age. Its asking price of £16,488 is £203 above the AskCar estimate of £16,285. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. Since we first spotted the advert 32 days ago, the asking price has dropped by £500. The government's MOT record matches its advertised mileage. It is for sale at Jeff White Motors in Cardiff. 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: £203 (1%) over the AskCar estimate of £16,285.

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 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £16,988. Its asking price is now £16,488, £500 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

• 1 October 2026: £16,988
• 13 October 2026: £16,488

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 11 March 2027.

It has had 6 MOTs. The latest, on 12 March 2026, passed.

Advisories at the latest test: front service brake fluctuating, but not excessively; nearside front inner brake disc worn, pitted or scored, but not seriously weakened; offside front inner brake disc worn, pitted or scored, but not seriously weakened; and 2 more.

Mileage at that test: 84,733 miles, which matches the advertised 87,392 miles.

Advertised mileage is about 23,000 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: 86,760 miles. Price: £15,750, £738 less than this car. Dealer: NEO Motor Company in Warrington. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-1fcc74ae3a6f
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 89,000 miles. Price: £17,750, £1,262 more than this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-bccda6c8a07e
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 89,000 miles. Price: £18,495, £2,007 more than this car. Dealer: CRL Motors in Warrenpoint. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-49e08bd63573

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, blue, 1 miles from this car. Mileage: 63,093 miles. Price: £19,500, £3,012 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7dea46de6be5