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: 79,600 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 79,600 miles, approximately 14,700 above the typical mileage for its age. Its asking price of £17,795 is £674 above the AskCar estimate of £17,121. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. We have tracked this advert for 3 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Signature Car Specialists, based in Burnley. 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: £674 (3%) over the AskCar estimate of £17,121.

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

AskCar first saw this 2018 BMW X3 advertised 3 days ago. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 95 of the 216 first advertised between 9 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £17,795. 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 4 November 2026: valid until 27 October 2027.

It has had 6 MOTs. The latest, on 28 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 79,656 miles, which matches the advertised 79,600 miles.

Advertised mileage is about 14,700 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, blue. Mileage: 78,494 miles. Price: £17,490, £305 less than this car. Dealer: Right Track Cars in Fordingbridge. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-3a038b2af761
• 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
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 76,859 miles. Price: £16,995, £800 less than this car. Dealer: Oakwood Specialist Cars in Whitley Bay. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f65b5a69f21e

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, under a mile from this car. Mileage: 71,700 miles. Price: £19,995, £2,200 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-35aadc2e3b8f