Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Vespa GS160 vs Piaggio PX 125 (vespa)
The Vespa GS160 passes its MOT first time more often than the Piaggio PX 125 (vespa): 85.9% vs 81.0%, a 4.9-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Vespa GS160 | Piaggio PX 125 (vespa) |
|---|---|---|
| First-time pass rate | 85.9% | 81.0% |
| Outright fail rate | 5.3% | 11.3% |
| Engine size | 160cc | 124cc |
| Rank among all models | #2232 of 5428 | #3379 of 5428 |
| Median miles at test | 16,948 | 9,868 |
| MOT tests analysed | 262 | 33,171 |
| 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.
Pass rate by mileage
first-time MOT pass rate by miles on the clock at test
| Mileage | Vespa GS160 | Piaggio PX 125 (vespa) |
|---|---|---|
| 0k-10k miles | 84.2% | 83.0% |
| 10k-20k miles | 85.5% | 79.5% |
| 20k-30k miles | 88.1% | 77.3% |
Bands with fewer than 30 tests for either bike are left out.
See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.