2018 BMW X3 3.0 30d M Sport

Price: £17,990. Fair price: £26 (under 1%) over the AskCar estimate of £17,964, 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: 93,715 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 261 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 93,715 miles, this 2018 BMW X3 M Sport has covered about 29,300 more miles than other 2018 BMW X3 cars. The AskCar estimate for this car is £17,964. It is priced at £17,990, which is £26 above that estimate. 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 have tracked this advert for 12 days. The government's MOT record matches its advertised mileage. You can find this car at Auto Mall in Palmers Green. 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: £26 (under 1%) over the AskCar estimate of £17,964.

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 12 days.

Price history

AskCar first saw this advert on 21 October 2026 at £17,990. 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 2 November 2026: valid until 19 April 2027.

It has had 9 MOTs. The latest, on 20 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 93,477 miles, which matches the advertised 93,715 miles.

Advertised mileage is about 29,300 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, blue. Mileage: 95,451 miles. Price: £17,495, £495 less than this car. Dealer: Lion Car Hub in Farnham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-0ba99df9b6df
  • 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 91,882 miles. Price: £19,300, £1,310 more than this car. Dealer: Newton and Lee Automotive in Consett. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-55297dd8aeab
  • 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 97,547 miles. Price: £25,000, £7,010 more than this car. Dealer: Sytner Luton BMW in Luton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f6065860b34d
  • The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, grey, 2 miles from this car. Mileage: 43,904 miles. Price: £22,850, £4,860 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-af5971125392

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

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Photos

74 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.