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: 58,525 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 58,525 miles, approximately 6,400 below the typical mileage for its age. Its asking price of £18,495 is £1,275 below the AskCar estimate of £19,770. The AskCar estimate draws on 3,076 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Crompton Way Motors in Bolton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,275 (6%) under the AskCar estimate of £19,770.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,300: the median of the 150 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2018 BMW X3 advertised today. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 96 of the 220 first advertised between 9 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £18,495. 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 5 November 2026: valid until 30 July 2027.

It has had 7 MOTs. The latest, on 16 July 2026, passed.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing perishing outer sidewall 245-50-19R/F.

Mileage at that test: 55,565 miles, which matches the advertised 58,525 miles.

Advertised mileage is about 6,400 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

80 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 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 58,553 miles. Price: £20,991, £2,496 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-9c837096e260
• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 58,266 miles. Price: £21,250, £2,755 more than this car. Dealer: Grange Road Motors in Cookstown. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-3c4adc31d225
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 58,200 miles. Price: £19,990, £1,495 more than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-40549d4d0f93

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, grey, 14 miles from this car. Mileage: 95,581 miles. Price: £14,999, £3,496 less than this car. Dealer: Motormill in Warrington. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7aa216dcaa02