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: 71,000 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

This 2018 BMW X3 M Sport has covered 71,000 miles, around 6,600 more miles than is typical for its age. The dealer is asking £15,995, which is £2,289 below the AskCar estimate of £18,284. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. It first appeared in our advert records 38 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at M M K Motor Company in Darlington. 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

Good value: £2,289 (12%) under the AskCar estimate of £18,284.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £15,995. 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 4 April 2027.

It has had 7 MOTs. The latest, on 24 March 2026, passed.

Advisories at the latest test: rear brake pad(s) wearing thin.

Mileage at that test: 69,992 miles, which matches the advertised 71,000 miles.

Advertised mileage is about 6,600 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, black. Mileage: 71,700 miles. Price: £19,995, £4,000 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-35aadc2e3b8f
• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 72,267 miles. Price: £18,490, £2,495 more than this car. Dealer: Fort Southwick Cars in Fareham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-a44d878d5888
• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 69,229 miles. Price: £18,385, £2,390 more than this car. Dealer: Bayer Car Sales in Fareham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-4265cf840051

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, blue, 36 miles from this car. Mileage: 76,859 miles. Price: £16,995, £1,000 more than this car. Dealer: Oakwood Specialist Cars in Whitley Bay. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f65b5a69f21e