Head-to-head · 2005–2025
APRILIA SR50 vs PIAGGIO ZIP
The PIAGGIO ZIP passes its MOT first time more often than the APRILIA SR50 — 71.3% vs 65.8%, a 5.5-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | APRILIA SR50 | PIAGGIO ZIP |
|---|---|---|
| First-time pass rate | 65.8% | 71.3% |
| Outright fail rate | 25.7% | 20.4% |
| Median miles at test | 11,155 | 8,882 |
| MOT tests analysed | 23,933 | 78,993 |
| Most common failure | lighting and signalling | lighting and signalling |
First-time outcomes on normal tests, 2005–2025. "Most common failure" is the component group with the most recorded defects on failed tests. Read pass rates against test counts: a smaller sample is noisier. Source: DVSA anonymised MOT results.
See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.