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RepairIQ › Known Issues › Subaru Impreza Common Problems and Repair Costs

Subaru Impreza Common Problems and Repair Costs

The Subaru Impreza has documented issues used buyers should know about — including head gasket failure on ej25 engine. Here's a full breakdown by model year.

Known Issues — Subaru Impreza (1993–2026)

Head gasket failure on EJ25 engine

coolant and oil mixing

📅 1999–2011⚠️ High
Spark plug tube seal oil leak

oil soaks ignition coil boots, causes misfires

📅 2006–2014⚡ Medium

What to Check Before Buying

Reliability Overview

The Subaru Impreza can be a solid vehicle when maintained, but the issues above represent real financial risk. A pre-purchase inspection by a Subaru-familiar mechanic is strongly recommended.

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