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: 69,229 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

With 69,229 miles on the clock, this 2018 BMW X3 M Sport has done roughly 4,800 more miles than a typical 2018 BMW X3. Priced at £18,385, it is advertised £129 below the AskCar estimate of £18,514. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 136 days ago. Its asking price has since fallen by £600. The government's MOT record matches its advertised mileage. You can find this car at Bayer Car Sales in Fareham. 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: £129 (under 1%) under the AskCar estimate of £18,514.

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 136 days.

Price history

AskCar first saw this advert on 19 June 2026 at £18,985. Its asking price is now £18,385, £600 less. The latest price cut was seen on 26 September 2026.

Price changes recorded:

• 19 June 2026: £18,985
• 26 September 2026: £18,385

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 February 2027.

It has had 5 MOTs. The latest, on 18 February 2026, passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view; nearside rear child seat fitted not allowing full inspection of adult belt; nearside rear brake pad(s) wearing thin; and 1 more.

Mileage at that test: 67,401 miles, which matches the advertised 69,229 miles.

Advertised mileage is about 4,800 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: 68,865 miles. Price: £17,795, £590 less than this car. Dealer: Independent Vehicle Sales in Stockport. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-bff41c34d153
• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 68,700 miles. Price: £21,459, £3,074 more than this car. Dealer: S&A Motorcade in Walsall. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-d2783ee47b09
• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 68,618 miles. Price: £19,900, £1,515 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ec84a6ea05cd

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, white, 1 miles from this car. Mileage: 72,267 miles. Price: £18,490, £105 more than this car. Dealer: Fort Southwick Cars in Fareham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-a44d878d5888