IsItAGoodCar
Reliability Guide

Common Problems with the
2019 Mitsubishi Outlander PHEV (GG)

A major update introduced a new, larger 2.4-litre petrol engine and a higher-capacity battery, significantly improving real-world refinement, electric range, and overall driving dynamics.

What changed for 2019

  • •Introduction of a new 2.4-litre Atkinson-cycle petrol engine, replacing the 2.0-litre unit.
  • •Battery capacity increased from 12.0kWh to 13.8kWh for improved electric range.

Common MOT watch-outs

  • !Minor software glitches affecting the complex hybrid system or infotainment.
  • !Tyre wear on the inner edges, particularly on the front axle.
2
Known Issues
1
Serious
0
Moderate
1
Minor

All Known Issues

AC Compressor Failure (Wrong Oil)

SeriousElectrics & Electronics

The electric compressor requires specialized POE oil. Using standard PAG oil during a regas will destroy the internal motor.

Est. Repair Cost: £1,000–£3,000
Warning Signs:

AC not cooling, Loud grinding noise when AC is on, EV system fault light

What to Inspect:
  • Verify that any AC service used POE oil specifically
  • Check AC operation in both EV and Petrol modes
Verified by IsItAGoodCar Research Team

Rear Differential Mount Thud

MinorSuspension & Chassis

The rubber in the rear differential center mount perishes, leading to a "thud" or "clonk" when pulling away.

Est. Repair Cost: £150–£300
Warning Signs:

Thud from the rear when moving from a standstill, Clunk when releasing the brake

What to Inspect:
  • Inspect the rear diff mount bushing for cracks or play
Verified by IsItAGoodCar Research Team

Buying Tips for 2019 Mitsubishi Outlander PHEV (GG)

  • The 2.4-litre models (2019 onwards) are vastly superior to the older 2.0-litre versions; seek these out if the budget allows.
  • Listen for a 'clunk' from the rear suspension, which indicates the heavy rear end has worn out the subframe bushes.
2015–20182020
Check a 2019 Mitsubishi Outlander PHEV (GG) by Registration