"Is the Impreza 2.0i reliable, and what should you check?"
When buying a used 2011 Subaru Impreza 2.0i, the most frequently mentioned issue is ignition coil/spark plug problems and misfiring. Oil consumption and blue smoke are also commonly reported.
Proceed with caution
Most reported issue: Ignition Coil/Spark Plug Problems and Misfiring. Service history and a test drive matter.
Engine / trim
2.0i
Model years
2011
Known issues and risks
Listed from most frequently reported, each with its source.
Ignition Coil/Spark Plug Problems and Misfiring
Often reported
Many users report intermittent knocking or misfiring in the Impreza 2.0: typical symptoms include jerking during acceleration, rough idle, and the check engine light coming on. Repeated causes mentioned in forums include faulty ignition coils, worn spark plugs, or connectors/injectors.
Engine Internal
Oil Consumption and Blue Smoke
Often reported
The EJ20 boxer engine may experience higher than normal oil consumption due to worn piston rings, oil pump, or valve seals, leading to frequent oil top-ups, blue smoke from the exhaust, and performance loss.
Engine Internal
Oil Leaks from Valve Cover and Gaskets
Often reported
A frequently reported issue on the EJ20 boxer engine in Impreza/Forester is oil leakage from the valve cover, spark plug tubes, and cam bearing seals. Oil may drip onto the exhaust manifolds, causing smoke and a burning smell at idle.
Engine Internal
Head Gasket Failure / Risk of Oil-Coolant Mixing
Often reported
In the EJ engine family, head gasket failures can cause leaks or oil-coolant mixing, but this is less common than other issues.
Engine Internal
Subaru Impreza 2.0i technical specs
Subaru Impreza 2.0i (2011): boot 450 L; fuel use 7,5 l/100 km; 0–100 in 10.7 s.
What should I look for when buying a Subaru Impreza 2.0i?+
When buying a 2011 model 2.0i, check the service history, test drive, and engine/transmission warnings. The most commonly reported issues are: ignition coil/spark plug problems and misfiring; oil consumption and blue smoke; oil leaks from the valve cover and gaskets.
What are the common problems of the Subaru Impreza 2.0i?+
The most frequently reported issues are: ignition coil/spark plug problems and misfiring; oil consumption and blue smoke; oil leaks from the valve cover and gaskets.
Is the Subaru Impreza 2.0i reliable?+
Rather than a simple yes or no, it's better to weigh the proven pros and cons together. This page lists 4 verified findings.
How does Carbeak collect data?+
The cards on this page are derived from the Difetti fault database records; compatibility between the source vehicle and target vehicle is verified in terms of brand, fuel type, engine, and generation. Topics with insufficient evidence are not shown.