MG Zr — reliability by registration year
2004 · 1 registration year · 522 first tests
Registration years
First-attempt MOT results for every Zr 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.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2004 | 522 | 65.3% | 72.0% |