IsItAGoodCar
Reliability Guide

Common Problems with the
2011 Mitsubishi ASX

We've identified 3 known issues that can affect the 2011 Mitsubishi ASX. 1 of these are serious faults that could be expensive to repair.

3
Known Issues
1
Serious
1
Moderate
1
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

DPF Clogging (1.8 DI-D)

ModerateEngine

The diesel particulate filter clogs quickly if the car isn't driven on the motorway regularly.

Est. Repair Cost: £500–£1,200
Warning Signs:

DPF warning light, Rising oil level, Poor fuel economy

What to Inspect:
  • Check the oil level; if it's high, it suggests aborted DPF regens
Verified by IsItAGoodCar Research Team

Tailgate Rust

MinorBodywork & Rust

Corrosion often appears around the tailgate handle or bottom edge due to poor drainage and thin paint.

Est. Repair Cost: £200–£500
Warning Signs:

Bubbling paint on tailgate, Rust streaks from handle area

What to Inspect:
  • Inspect the area around the rear handle and the bottom lip of the boot lid
Verified by IsItAGoodCar Research Team

Buying Tips for 2011 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.
Check a 2011 Mitsubishi ASX by Registration