BIKERELIABILITY Reg check
League table/ Vespa (douglas) GS/vs Honda PCX 125
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Vespa (douglas) GS vs Honda PCX 125

The Vespa (douglas) GS passes its MOT first time more often than the Honda PCX 125: 88.0% vs 81.1%, a 6.9-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Vespa (douglas) GS Honda PCX 125
First-time pass rate 88.0% 81.1%
Outright fail rate 4.4% 12.9%
Engine size 160cc 125cc
Rank among all models #1604 of 5428 #3358 of 5428
Median miles at test 10,814 16,405
MOT tests analysed 251 88,608
Most common failure lighting and signalling brakes

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 mileage

first-time MOT pass rate by miles on the clock at test
Mileage Vespa (douglas) GS Honda PCX 125
0k-10k miles 91.6% 88.4%
20k-30k miles 87.8% 78.0%
30k-40k miles 84.9% 77.0%

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

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