2001–2007 Subaru Impreza WRX / STI Mk2 (GD/GG)
Browse our directory of 2001–2007 Subaru Impreza WRX / STI Mk2 (GD/GG) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2001–2007 Subaru Impreza WRX / STI Mk2 (GD/GG) has 3 known issues. 3 of these are classified as serious faults that could be expensive to repair.
Rear Strut Tower and Sill Corrosion
SeriousTurbo Mk2 cars rust in the same critical places as non-turbo versions, and hidden corrosion can ruin an otherwise desirable WRX or STI shell.
Symptoms: Bubbling rear arches, Rust inside the boot around strut tops...
Est. repair cost: £500–£3,000
Detonation and Piston Ringland Damage
SeriousPoor mapping, low-quality fuel or hard use on modified cars can lead to detonation damage and cracked piston ringlands, especially on turbo engines that have been tuned beyond stock.
Symptoms: Misfire under load, Blue smoke...
Est. repair cost: £2,500–£6,000
5-Speed Gearbox and Clutch Wear
SeriousHard launches and repeated abuse can shorten the life of the WRX 5-speed gearbox and clutch, leading to baulky shifts, bearing noise or gear failure.
Symptoms: Crunch selecting 2nd, Whine under load...
Est. repair cost: £700–£2,500
Buying Tips for the 2001–2007 Subaru Impreza WRX / STI Mk2 (GD/GG)
- ✓Rust inspection matters just as much as the engine bay: check rear strut towers, rear arches, sills and the front subframe.
- ✓Treat modifications cautiously. A mildly tuned car with mapping and maintenance evidence is safer than a heavily altered car with vague promises.
- ✓On WRX cars, pay close attention to gearbox quality and clutch bite because the 5-speed transmission is a known weak spot.
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