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

Data as of: DVSA MOT results to 2025

Chituma CTM 50 QT-7 vs Piaggio NRG

The Piaggio NRG passes its MOT first time more often than the Chituma CTM 50 QT-7: 65.5% vs 57.9%, a 7.6-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Chituma CTM 50 QT-7 Piaggio NRG
First-time pass rate 57.9% 65.5%
Outright fail rate 33.9% 27.4%
Vs comparable bikes (age & mileage adjusted) -20.4 pts -6.0 pts
Engine size 50cc 49cc
Median miles at test 1,578 9,874
MOT tests analysed 121 40,458
Most common failure steering and suspension 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.

"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.

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