IsItAGoodCar
Reliability Guide

Common Problems with the
2018 Mitsubishi ASX

We've identified 1 known issue that can affect the 2018 Mitsubishi ASX. 1 of these are serious faults that could be expensive to repair.

1
Known Issues
1
Serious
0
Moderate
0
Minor

All Known Issues

Oil Dilution (Diesel)

SeriousEngine

Interrupted DPF regenerations cause unburnt fuel to leak into the oil sump, raising the oil level and thinning the lubricant.

Est. Repair Cost: £150–£300 (Oil change & forced regen)
Warning Signs:

Oil level above the "X" mark on dipstick, Check engine light, Reduced engine performance

What to Inspect:
  • Check the dipstick for an "X" mark above the Max line
  • Verify frequency of long-distance trips
Verified by IsItAGoodCar Research Team

Buying Tips for 2018 Mitsubishi ASX

  • ✓Avoid the 1.8 diesel if you only do short trips.
  • ✓Check the infotainment system on later "Dynamic" trims for connectivity issues.
  • ✓Inspect the panoramic roof blind mechanism, as they can get stuck.
2016–20172019–2021
Check a 2018 Mitsubishi ASX by Registration