2018 BMW X3 3.0 30d M Sport

Price: £21,995. Fair price: £1,420 (6%) over the AskCar estimate of £20,575, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,992 priced BMW X3 adverts on AskCar as of 2 November 2026.

AskCar lists 3,072 used BMW X3 from 1,209 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
  • Year: 2018
  • Mileage: 74,500 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 261 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 74,500 miles, approximately 10,100 above the typical mileage for its age. Priced at £21,995, it is advertised £1,420 above the AskCar estimate of £20,575. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 17 days ago. Its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. It is for sale at Northern Motor House in Shipley. 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: £1,420 (6%) over the AskCar estimate of £20,575.

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 3.0 diesel engine is typically advertised at £22,000: the median of the 64 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 17 days.

Price history

AskCar first saw this advert on 16 October 2026 at £22,495. Its asking price is now £21,995, £500 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

  • 16 October 2026: £22,495
  • 18 October 2026: £22,395
  • 25 October 2026: £22,250
  • 2 November 2026: £21,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 November 2026.

It has had 7 MOTs. The latest, on 20 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 62,054 miles, which matches the advertised 74,500 miles.

Advertised mileage is about 10,100 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

43 other 2018 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £15,950 to £29,950, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW X3 M Sport, 3.0 diesel SUV, white. Mileage: 75,327 miles. Price: £19,850, £2,145 less than this car. Dealer: Parkway Motor Group in Edwinstowe. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6a21158aa10a
  • 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 76,000 miles. Price: £20,500, £1,495 less than this car. Dealer: Simply Cars in Sittingbourne. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-99c690059881
  • 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 76,000 miles. Price: £21,500, £495 less than this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8397a80e5153
  • The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, white, 15 miles from this car. Mileage: 31,813 miles. Price: £27,850, £5,855 more than this car. Dealer: Sandal BMW Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-a5d573df7ab1

Browse all BMW X3 cars for sale · 2018 BMW X3 price guide

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Photos

63 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.