2018 BMW X3 2.0 20d M Sport

Price: £22,350. Fair price: £1,050 (4%) over the AskCar estimate of £21,300, 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 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2018
  • Mileage: 45,000 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

At 45,000 miles, this 2018 BMW X3 M Sport has covered about 19,900 fewer miles than other 2018 BMW X3 cars. Its asking price of £22,350 is £1,050 above the AskCar estimate of £21,300. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 48 days ago. Its asking price has since fallen by £145. The recorded MOT expired on 30 October 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Peverel Car Company in Witham. 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: £1,050 (4%) over the AskCar estimate of £21,300.

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

This 2018 BMW X3 has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 17 September 2026 at £22,495. Its asking price is now £22,350, £145 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 17 September 2026: £22,495
  • 16 October 2026: £22,395
  • 3 November 2026: £22,350

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 15 October 2025, passed.

Advisories at the latest test: front tyre slightly damaged/cracking or perishing + worn on edge both side 245/50/19 michelin; rear tyre slightly damaged/cracking or perishing both side 245/50/19 michelin.

Mileage at that test: 39,418 miles, which matches the advertised 45,000 miles.

Advertised mileage is about 19,900 miles lower 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, black. Mileage: 44,600 miles. Price: £19,155, £3,195 less than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f5099e119219
  • 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 44,541 miles. Price: £20,795, £1,555 less than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5be0cfe4085f
  • 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 42,746 miles. Price: £20,990, £1,360 less than this car. Dealer: All Electric BYD Stourbridge in Stourbridge. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-daae42dcf2d9
  • The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, blue, 8 miles from this car. Mileage: 42,129 miles. Price: £19,995, £2,355 less than this car. Dealer: Westdrive Kia in Braintree. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-1672d1f89093

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

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Photos

99 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.