IsItAGoodCar
Reliability Guide

Common Problems with the
2019 Subaru Impreza Mk5 (GT/GK)

We've identified 2 known issues that can affect the 2019 Subaru Impreza Mk5 (GT/GK). None are considered critical, but they're worth knowing about before you buy.

2
Known Issues
0
Serious
2
Moderate
0
Minor

All Known Issues

Thermo Control Valve Failure

ModerateCooling System

Later Mk5 cars can suffer thermo control valve faults, bringing up warning lights and poor heater performance without obvious external coolant leaks.

Est. Repair Cost: £400–£900
Warning Signs:

Engine warning light, Cabin heater stays lukewarm, Cooling fans running oddly

What to Inspect:
  • Check heater performance from cold
  • Ask if the valve has already been replaced
  • Scan the car for stored cooling-related fault codes
Verified by IsItAGoodCar Research Team

Infotainment Touchscreen Freezing or Delamination

ModerateElectrics & Electronics

The Starlink-era head unit can become slow, glitchy or develop screen faults, which is irritating on a car that is otherwise very user-friendly.

Est. Repair Cost: £0–£900
Warning Signs:

Frozen display, Ghost touches, Bluetooth or camera dropout

What to Inspect:
  • Try navigation, media and phone pairing
  • Watch for delayed reverse camera loading
  • Check whether the head unit has already been updated or replaced
Verified by IsItAGoodCar Research Team

Buying Tips for 2019 Subaru Impreza Mk5 (GT/GK)

  • ✓If the windscreen has ever been replaced, make sure Eyesight works properly and the cameras were recalibrated.
  • ✓A healthy 12V battery matters on these cars because weak voltage can trigger a lot of confusing dashboard warnings.
  • ✓Test the touchscreen, Bluetooth and reverse camera carefully rather than assuming a software reset will cure everything.
20182020
Check a 2019 Subaru Impreza Mk5 (GT/GK) by Registration