2018 BMW X3 2.0 20d M Sport

Price: £20,991. Fair price: £1,078 (5%) over the AskCar estimate of £19,913, 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 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2018
  • Mileage: 58,553 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 144 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport has covered 58,553 miles, around 5,900 fewer miles than is typical for its age. The AskCar estimate for this car is £19,913. It is priced at £20,991, which is £1,078 above that estimate. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 5 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Your Next Car, based in Nottingham. 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: £1,078 (5%) over the AskCar estimate of £19,913.

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

AskCar first saw this 2018 BMW X3 advertised 5 days ago. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 89 of the 204 first advertised between 9 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 28 October 2026 at £20,991. 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 13 November 2026.

It has had 5 MOTs. The latest, on 31 October 2025, passed.

Advisories at the latest test: nearside obligatory mirror slightly damaged.

Mileage at that test: 53,630 miles, which matches the advertised 58,553 miles.

Advertised mileage is about 5,900 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, grey. Mileage: 58,266 miles. Price: £21,250, £259 more than this car. Dealer: Grange Road Motors in Cookstown. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-3c4adc31d225
  • 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 58,200 miles. Price: £19,990, £1,001 less than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-40549d4d0f93
  • 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 59,000 miles. Price: £18,495, £2,496 less than this car. Dealer: Greenhous Shrewsbury in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-04ecf3e94bd0
  • The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, white, 3 miles from this car. Mileage: 96,759 miles. Price: £18,750, £2,241 less than this car. Dealer: Sytner Nottingham BMW in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-79f69a973caa

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

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Photos

55 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.