Vespa (douglas) SS180 vs Lambretta GP150

The Vespa (douglas) SS180 passes its MOT first time more often than the Lambretta GP150 — 92.7% vs 87.6%, a 5.1-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025

Metric	Vespa (douglas) SS180	Lambretta GP150
First-time pass rate	92.7%	87.6%
Outright fail rate	3.1%	7.2%
Median miles at test	19,488	1,735
MOT tests analysed	286	12,123
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.

VESPA (DOUGLAS) SS180 92.7% pass · 286 tests LAMBRETTA GP150 87.6% pass · 12.1k tests

See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.