2018 BMW X4 3.0 M40d

Price: £22,999. Fair price: £1,415 (5%) under the AskCar estimate of £24,414, our expected asking price for this car from its model, age, mileage and specification, drawing on 657 priced BMW X4 adverts on AskCar as of 12 November 2026.

AskCar lists 669 used BMW X4 from 475 UK dealerships, as of 12 November 2026.

Overview

  • Make: BMW
  • Model: X4
  • Version: 3.0 M40d Auto 4WD Euro 6 (s/s) 5dr (322 bhp)
  • Year: 2018
  • Mileage: 71,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 322 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 170 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X4 has covered 71,000 miles. Priced at £22,999, it is advertised £1,415 below the AskCar estimate of £24,414. The AskCar estimate draws on 657 BMW X4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 1 day ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Lookers in Belfast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,415 (5%) under the AskCar estimate of £24,414.

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 657 priced BMW X4 adverts across different ages and specifications, as of 12 November 2026.

A 2018 BMW X4 with the 3.0 diesel engine is typically advertised at £20,000: the median of the 25 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2018 BMW X4 advertised 1 day ago.

Price history

AskCar first saw this advert on 11 November 2026 at £22,999. 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 12 November 2026: valid until 17 December 2026.

It has had 6 MOTs. The latest, on 18 December 2024, passed.

There were no advisories at the latest test.

Mileage at that test: 54,987 miles, which matches the advertised 71,000 miles.

Advertised mileage is about 800 miles higher than the median mileage of a 2018 BMW X4 on AskCar.

Browse all BMW X4 cars for sale · 2018 BMW X4 price guide

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Photos

6 photos of this car are on its AskCar page.

As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.