UK Reliability Directory

Subaru Forester Mk2 (SG)

Production Years: 2002 - 20082 Documented Faults

Many consider the SG the high-water mark for the Forester. While the 2.0L is sturdy, the 2.5L XT models bring higher performance along with greater head gasket and fuel consumption concerns.

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Common Faults & Reliability

These are the most common documented problems for the Subaru Forester Mk2 (SG), sorted by their typical impact and frequency.

Head Gasket Failure (2.5L Engines)

high severity

The 2.5L EJ25 engine in the SG XT is prone to external coolant and oil leaks from the head gaskets, eventually leading to overheating.

Est. repair cost:£1,200–£2,000

Self-Levelling Suspension (SLS) Failure

medium severity

The original rear struts leak and sag over time. Replacing them with OEM parts is prohibitively expensive in the UK.

Est. repair cost:£400–£800

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