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

Vespa (douglas) Rally vs Piaggio X9

The Vespa (douglas) Rally passes its MOT first time more often than the Piaggio X9 — 86.3% vs 77.0%, a 9.3-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Vespa (douglas) Rally Piaggio X9
First-time pass rate 86.3% 77.0%
Outright fail rate 6.8% 17.5%
Median miles at test 7,547 12,186
MOT tests analysed 263 21,703
Most common failure lighting and signalling steering and suspension

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.