BIKERELIABILITY Reg check
League table/ GILERA RUNNER/vs HONDA MSX125 Grom
Head-to-head · 2005–2025

GILERA RUNNER vs HONDA MSX125 Grom

The HONDA MSX125 Grom passes its MOT first time more often than the GILERA RUNNER — 84.7% vs 70.8%, a 13.9-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric GILERA RUNNER HONDA MSX125 Grom
First-time pass rate 70.8% 84.7%
Outright fail rate 21.5% 8.2%
Median miles at test 11,381 4,559
MOT tests analysed 69,850 22,718
Most common failure lighting and signalling lamps and reflectors

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.