Lexmoto Diablo 50 LJ 50 QT-9M vs Peugeot Vivacity

The Lexmoto Diablo 50 LJ 50 QT-9M passes its MOT first time more often than the Peugeot Vivacity — 77.5% vs 70.4%, a 7.1-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025

Metric	Lexmoto Diablo 50 LJ 50 QT-9M	Peugeot Vivacity
First-time pass rate	77.5%	70.4%
Outright fail rate	17.7%	21.7%
Median miles at test	5,302	11,162
MOT tests analysed	395	29,731
Most common failure	lamps and reflectors	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.

LEXMOTO DIABLO 50 LJ 50 QT-9M 77.5% pass · 395 tests PEUGEOT VIVACITY 70.4% pass · 29.7k tests

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