BIKERELIABILITY Reg check
League table/ Derbi GPR125/vs Gilera Runner
Head-to-head · 2005–2025

Derbi GPR125 vs Gilera Runner

The Gilera Runner passes its MOT first time more often than the Derbi GPR125 — 70.8% vs 59.6%, a 11.2-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Derbi GPR125 Gilera Runner
First-time pass rate 59.6% 70.8%
Outright fail rate 29.7% 21.5%
Median miles at test 6,154 11,381
MOT tests analysed 908 69,850
Most common failure brakes 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.