Subaru Impreza Mk5 (GT/GK)
Built on Subaru’s global platform, the Mk5 is far more polished and safer than older Imprezas. Serious mechanical failures are rarer, but warning-light faults and ageing infotainment now matter more.
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Common Faults & Reliability
These are the most common documented problems for the Subaru Impreza Mk5 (GT/GK), sorted by their typical impact and frequency.
Thermo Control Valve Failure
medium severityLater Mk5 cars can suffer thermo control valve faults, bringing up warning lights and poor heater performance without obvious external coolant leaks.
Infotainment Touchscreen Freezing or Delamination
medium severityThe Starlink-era head unit can become slow, glitchy or develop screen faults, which is irritating on a car that is otherwise very user-friendly.
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Example Subaru Impreza Mk5 (GT/GK) Vehicles
Browse real UK-registered Subaru Impreza Mk5 (GT/GK) vehicles. Select any registration for an instant MOT and history check.