2018 BMW X3 2.0 20i M Sport

Price: £15,495. Fair price: £207 (1%) over the AskCar estimate of £15,288, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,034 priced BMW X3 adverts on AskCar as of 4 November 2026.

AskCar lists 3,115 used BMW X3 from 1,212 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 2.0 20i GPF M Sport Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
  • Year: 2018
  • Mileage: 99,900 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 166 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 99,900 miles, approximately 35,000 above the typical mileage for its age. The AskCar estimate for this car is £15,288. It is priced at £15,495, which is £207 above that estimate. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 87 days ago, the asking price has dropped by £995. Its advertised mileage matches the government's MOT record. The seller is Earlsdon Motor Company, based in Coventry. 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: £207 (1%) over the AskCar estimate of £15,288.

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 petrol engine is typically advertised at £18,400: the median of the 147 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 87 days.

Price history

AskCar first saw this advert on 9 August 2026 at £16,490. Its asking price is now £15,495, £995 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

  • 9 August 2026: £16,490
  • 24 September 2026: £15,790
  • 14 October 2026: £15,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 29 July 2027.

It has had 9 MOTs. The latest, on 10 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 99,920 miles, which matches the advertised 99,900 miles.

Advertised mileage is about 35,000 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

15 other 2018 BMW X3 M Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £16,899 to £23,771, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 78,000 miles. Price: £18,995, £3,500 more than this car. Dealer: Precision Motor Group in Harlow. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-9797937ce956
  • 2018 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 76,000 miles. Price: £20,495, £5,000 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e7ec93006512
  • 2018 BMW X3 M Sport, 2.0 petrol SUV, silver. Mileage: 75,000 miles. Price: £16,899, £1,404 more than this car. Dealer: Southern Automotive Solutions in Southampton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5506f2d8df5d
  • The nearest: 2018 BMW X3 M Sport, 2.0 petrol SUV, white, 26 miles from this car. Mileage: 42,613 miles. Price: £20,390, £4,895 more than this car. Dealer: Sturgess Of Leicester in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-267c5735391d

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 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.