Peugeot Sum Up 125 vs Piaggio Vespa

The Piaggio Vespa passes its MOT first time more often than the Peugeot Sum Up 125 — 80.7% vs 66.6%, a 14.1-point lead.

MOT reliability, side by side

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

Metric	Peugeot Sum Up 125	Piaggio Vespa
First-time pass rate	66.6%	80.7%
Outright fail rate	26.9%	12.2%
Median miles at test	9,954	10,023
MOT tests analysed	1,469	287,482
Most common failure	steering and suspension	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.

PEUGEOT SUM UP 125 66.6% pass · 1,469 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.