BIKERELIABILITY Reg check
League table/ Lambretta 150LIS/vs Piaggio Vespa
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Lambretta 150LIS vs Piaggio Vespa

The Lambretta 150LIS passes its MOT first time more often than the Piaggio Vespa: 87.4% vs 80.7%, a 6.7-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Lambretta 150LIS Piaggio Vespa
First-time pass rate 87.4% 80.7%
Outright fail rate 8.6% 12.2%
Engine size 150cc 124cc
Median miles at test 4,261 10,023
MOT tests analysed 198 287,482
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 Lambretta 150LIS Piaggio Vespa
0k-10k miles 85.1% 85.0%
10k-20k miles 88.2% 77.0%

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.