2018 BMW X3 2.0 20d M Sport

Price: £18,299. Good value: £2,256 (10%) under the AskCar estimate of £20,555, 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: 2.0 xDrive20d M Sport Auto 4WD Euro 6 5dr (187 bhp)
  • Year: 2018
  • Mileage: 52,444 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 165 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 52,444 miles, this 2018 BMW X3 M Sport has covered about 12,000 fewer miles than other 2018 BMW X3 cars. Priced at £18,299, it is advertised £2,256 below the AskCar estimate of £20,555. The AskCar estimate draws on 2,992 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 125 days ago, and its asking price has since fallen by £3,045. Its advertised mileage matches the government's MOT record. It is for sale at cinch in Bristol. 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

Good value: £2,256 (10%) under the AskCar estimate of £20,555.

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 2.0 diesel engine is typically advertised at £18,500: the median of the 151 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 125 days.

Price history

AskCar first saw this advert on 30 June 2026 at £21,344. Its asking price is now £18,299, £3,045 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 30 June 2026: £21,344
  • 20 July 2026: £20,299
  • 23 July 2026: £20,399
  • 18 August 2026: £19,799
  • 21 August 2026: £19,699
  • 28 August 2026: £19,599
  • 8 September 2026: £19,899
  • 12 September 2026: £19,799
  • 17 September 2026: £19,699
  • 23 September 2026: £19,399
  • 1 October 2026: £19,099
  • 9 October 2026: £18,999
  • 15 October 2026: £18,899
  • 23 October 2026: £18,599
  • 28 October 2026: £18,499
  • 30 October 2026: £18,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 February 2027.

It has had 7 MOTs. The latest, on 23 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,210 miles, which matches the advertised 52,444 miles.

Advertised mileage is about 12,000 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

78 other 2018 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £13,250 to £23,289, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 53,031 miles. Price: £19,995, £1,696 more than this car. Dealer: BRM Car Sales Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b6d353c7b374
  • 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 53,319 miles. Price: £20,000, £1,701 more than this car. Dealer: Richard Nash Nearly New Car Centre in Norwich. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-946d5b333f38
  • 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 54,013 miles. Price: £18,999, £700 more than this car. Dealer: Wheatley Car Centre in Wheatley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-96179054691e
  • The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, 2 miles from this car. Mileage: 74,180 miles. Price: £16,808, £1,491 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7bb8e47863f0

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

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Photos

50 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.