Subaru Impreza — reliability by registration year
1999–2010 · 12 registration years · 13,637 first tests
2004
breaks the run — 2.9 pp better than the years either side
Registration years
First-attempt MOT results for every Impreza registration year with at least 500 first tests in 2025. Pass rates rise with newer cars, so read a year against its neighbours rather than against the top of the table. Years without their own report are listed here with the same figures.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2010 | 690 | 71.3% | 75.7% | Catalyst emissions 29.3% |
| 2009 | 674 | 74.9% | 78.6% | |
| 2008 | 892 | 72.0% | 76.8% | Catalyst emissions 25.6% |
| 2007 | 1,599 | 71.2% | 76.6% | Catalyst emissions 19.1% |
| 2006 | 1,510 | 74.3% | 79.7% | Catalyst emissions 24.1% |
| 2005 | 1,967 | 74.8% | 78.8% | Catalyst emissions 21.8% |
| 2004 | 1,582 | 77.5% | 81.7% | Catalyst emissions 22.2% |
| 2.9 pp better than the years either side What failed 2004 Imprezas most often: Catalyst emissions (22.2%) · Component mounting prescribed areas (rear) (17.1%) | ||||
| 2003 | 1,492 | 74.4% | 78.4% | Catalyst emissions 20.7% |
| 2002 | 934 | 73.9% | 79.0% | |
| 2001 | 762 | 72.6% | 77.4% | |
| 2000 | 800 | 77.9% | 81.6% | Catalyst emissions 29.0% |
| 1999 | 735 | 75.9% | 81.5% | |