2006 Subaru Forester Mk2 (SG)
Browse our directory of 2006 Subaru Forester Mk2 (SG) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Showing registrations 1–40 of 1,248 for the 2006 Subaru Forester Mk2 (SG). Select any plate for an instant vehicle history check.
Common Problems & Reliability
The 2006 Subaru Forester Mk2 (SG) has 4 known issues. 1 of these are classified as serious faults that could be expensive to repair. 3 are moderate concerns worth inspecting before purchase.
Head Gasket Failure (2.5L Engines)
SeriousThe 2.5L EJ25 engine in the SG XT is prone to external coolant and oil leaks from the head gaskets, eventually leading to overheating. UK MOT data records engine oil/coolant leaks and exhaust leaks as a recurring failure area on this generation.
Symptoms: Coolant smell from engine bay, Oil/coolant weeping at the block join...
Est. repair cost: £1,200–£2,000
Self-Levelling Suspension (SLS) Failure
ModerateThe original rear struts leak and sag over time, leaving the rear of the SG sitting low, especially when towing or loaded. Suspension is a leading MOT failure area on this generation, and genuine OEM SLS parts are expensive in the UK.
Symptoms: Rear sits noticeably lower, Bouncy ride over bumps...
Est. repair cost: £400–£800
Rear Subframe and Mounting Point Corrosion
ModerateUK road salt attacks the rear subframe and its suspension mounting points, often before the body panels look especially rusty. Corrosion around prescribed areas is a recorded MOT failure on this generation and can become structural if ignored.
Symptoms: Heavy rust scaling underneath, Corrosion advisories near suspension mounts...
Est. repair cost: £400–£1,200
Exhaust System Corrosion and Leaks
ModerateThe SG's exhaust, silencer and pipes rust under UK winter salt, causing loud blowing or rattling noises and potential MOT failure on exhaust noise, emissions or leaks. Once the car has covered high mileage on salty roads this is a common and predictable wear item.
Symptoms: Loud exhaust roar or rattling, Rattling from underneath the car...
Est. repair cost: £250–£600
Buying Tips for the 2006 Subaru Forester Mk2 (SG)
- Avoid 2.5 XT models with no history of head gasket or cambelt work unless the price reflects the risk.
- Check for the "saggy butt" look, indicating failed self-levelling rear suspension.
- Wind noise from the door gussets (mirrors) is common and can be fixed with a simple seal replacement.
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