Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Vespa Rally vs Lambretta LI150
The Lambretta LI150 passes its MOT first time more often than the Vespa Rally: 88.8% vs 82.2%, a 6.6-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Vespa Rally | Lambretta LI150 |
|---|---|---|
| First-time pass rate | 82.2% | 88.8% |
| Outright fail rate | 9.3% | 5.9% |
| Engine size | 197cc | 150cc |
| Median miles at test | 12,667 | 2,944 |
| MOT tests analysed | 129 | 19,294 |
| 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 Rally | Lambretta LI150 |
|---|---|---|
| 0k-10k miles | 84.5% | 88.8% |
| 10k-20k miles | 84.8% | 89.8% |
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.