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: 85,000 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

With 85,000 miles on the clock, this 2018 BMW X3 M Sport has done roughly 20,100 more miles than a typical 2018 BMW X3. Priced at £17,795, it is advertised £1,315 above the AskCar estimate of £16,480. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. The asking price is now £200 lower than when we first recorded the advert 39 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by DCS Specialised in Used Cars in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,315 (7%) over the AskCar estimate of £16,480.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,400: the median of the 147 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 39 days.

Price history

AskCar first saw this advert on 26 September 2026 at £17,995. Its asking price is now £17,795, £200 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 26 September 2026: £17,995
• 4 November 2026: £17,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 16 August 2027.

It has had 6 MOTs. The latest, on 17 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 83,505 miles, which matches the advertised 85,000 miles.

Advertised mileage is about 20,100 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

79 other 2018 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £12,950 to £23,289, as of 4 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, £2,045 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, silver. Mileage: 87,392 miles. Price: £16,488, £1,307 less than this car. Dealer: Jeff White Motors in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-1ec0269e8be2
• 2018 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 82,000 miles. Price: £15,850, £1,945 less than this car. Dealer: Cotswolds Cars And Commercials in Coventry. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-cc3abc790830

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, 23 miles from this car. Mileage: 44,600 miles. Price: £19,155, £1,360 more than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f5099e119219