Lambretta LD150 vs Piaggio Vespa

The Lambretta LD150 passes its MOT first time more often than the Piaggio Vespa: 89.4% vs 80.7%, a 8.7-point lead.

MOT reliability, side by side

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

Metric	Lambretta LD150	Piaggio Vespa
First-time pass rate	89.4%	80.7%
Outright fail rate	6.8%	12.2%
Engine size	150cc	124cc
Rank among all models	#1147 of 5428	#3439 of 5428
Median miles at test	14,888	10,023
MOT tests analysed	424	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 test year

first-time MOT pass rate in each calendar year both bikes were tested

Test year	Lambretta LD150	Piaggio Vespa
2006	86.7%	78.9%
2007	92.5%	77.8%
2008	86.5%	76.1%
2009	91.8%	76.6%
2010	88.9%	77.5%
2011	89.8%	76.1%
2012	86.2%	76.2%

Each year mixes bikes of different ages, so a fleet that is getting older tends to slip.

Pass rate by mileage

first-time MOT pass rate by miles on the clock at test

Mileage	Lambretta LD150	Piaggio Vespa
0k-10k miles	87.2%	85.0%
10k-20k miles	92.3%	77.0%
20k-30k miles	89.1%	75.3%
30k-40k miles	85.0%	75.4%

Bands with fewer than 30 tests for either bike are left out.

LAMBRETTA LD150 89.4% pass · 424 tests PIAGGIO VESPA 80.7% pass · 287k tests

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