Reliability & cost of ownership
Subaru Impreza STI Reliability & Common Problems
How reliable is the Subaru Impreza STI? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.
Subaru Impreza STI problems by model year
2 recall entries and 36 owner complaints on file across 2 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2009 Impreza STI | 1 | 3 | No NCAP test | Recalls & complaints → |
| 2008 Impreza STI | 1 | 33 | No NCAP test | AI reliability outlook → |
Most-complained-about components
Owner complaints filed with NHTSA against the Subaru Impreza STI, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- engine and engine cooling15 complaints
- power train11 complaints
- structure6 complaints
- service brakes6 complaints
- air bags5 complaints
- unknown or other2 complaints
- engine2 complaints
- vehicle speed control2 complaints