BIKERELIABILITY Reg check
Head-to-head · 2005–2025

Sukida SK 50 QT-9 Roma vs Piaggio Zip

The Piaggio Zip passes its MOT first time more often than the Sukida SK 50 QT-9 Roma — 71.3% vs 67.9%, a 3.4-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Sukida SK 50 QT-9 Roma Piaggio Zip
First-time pass rate 67.9% 71.3%
Outright fail rate 23.9% 20.4%
Median miles at test 3,618 8,882
MOT tests analysed 327 78,993
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.

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