2018 BMW X3 3.0 30d M Sport

Price: £25,000. Above the going rate: £7,585 (43%) over the AskCar estimate of £17,415, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,076 priced BMW X3 adverts on AskCar as of 5 November 2026.

AskCar lists 3,143 used BMW X3 from 1,230 UK dealerships, as of 5 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: 97,547 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 261 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 97,547 miles, this 2018 BMW X3 M Sport has covered about 32,700 more miles than other 2018 BMW X3 cars. Its asking price of £25,000 is £7,585 above the AskCar estimate of £17,415. The AskCar estimate draws on 3,076 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 8 days ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Luton BMW, based in Luton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £7,585 (43%) over the AskCar estimate of £17,415.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW X3 with the 3.0 diesel engine is typically advertised at £22,000: the median of the 67 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 28 October 2026 at £25,000. 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 5 November 2026: valid until 4 November 2027.

It has had 6 MOTs. The latest, on 16 October 2026, passed.

Advisories at the latest test: front both shock absorber dust cover split.

Mileage at that test: 60,630 miles, which matches the advertised 97,547 miles.

Advertised mileage is about 32,700 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

45 other 2018 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £17,495 to £29,450, as of 5 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, £7,505 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, white. Mileage: 93,715 miles. Price: £17,990, £7,010 less than this car. Dealer: Auto Mall in London. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7b14dc73d0fc
  • 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 91,882 miles. Price: £19,000, £6,000 less than this car. Dealer: Newton and Lee Automotive in Consett. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-55297dd8aeab
  • The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, black, 15 miles from this car. Mileage: 73,000 miles. Price: £22,295, £2,705 less than this car. Dealer: Goldstone Cars in Kempston. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b51562313fb8

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

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As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.