Subaru Impreza excessive oil consumption due to leaking piston rings, possible engine replacement needed on Subaru Impreza

Some Subaru Impreza owners report experiencing excessive oil consumption, which may be linked to leaking piston rings that allow oil to escape into the combustion chamber and burn with fuel. This issue can result in the vehicle consuming oil at an accelerated rate. While some owners find that replacing the piston rings resolves the problem, others may discover that persistent oil consumption indicates a more serious issue, potentially necessitating engine replacement. It is crucial for owners to diagnose the root cause of oil loss, as it could stem from simple problems like a faulty drain plug gasket or more complex issues requiring significant repairs. If oil consumption continues despite interventions such as piston ring replacement, further diagnosis and potential engine replacement may be necessary to effectively address the underlying issue.