Head Gasket Failure (2.5L Engines)
SeriousEngineThe 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
Reliability GuideCommon Problems with the
Common Problems with the
2005 Subaru Forester Mk2 (SG)
Mid-cycle models benefit from slightly improved build quality but still carry the same head gasket and suspension weaknesses. These are often the best value examples on the used market.
What changed for 2005
- •Minor equipment upgrades
- •Revised interior trim options
Common MOT watch-outs
- !Head gasket leaks becoming more common
- !Self-levelling suspension losing pressure
- !Rust spreading to door bottoms
2
Known Issues
1
Serious
1
Moderate
0
Minor
All Known Issues
Self-Levelling Suspension (SLS) Failure
ModerateSuspension & ChassisThe original rear struts leak and sag over time. Replacing them with OEM parts is prohibitively expensive in the UK.
Est. Repair Cost: £400–£800
Buying Tips for 2005 Subaru Forester Mk2 (SG)
- ✓Check for MLS head gaskets if the 2.5L has been serviced
- ✓Look for standard spring conversions as evidence of suspension maintenance
- ✓Inspect the door gussets for wind noise