Longjia LJ 50 QT-K vs Peugeot Vivacity

The Peugeot Vivacity passes its MOT first time more often than the Longjia LJ 50 QT-K — 70.4% vs 57.3%, a 13.1-point lead.

MOT reliability, side by side

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

Metric	Longjia LJ 50 QT-K	Peugeot Vivacity
First-time pass rate	57.3%	70.4%
Outright fail rate	31.8%	21.7%
Median miles at test	5,822	11,162
MOT tests analysed	1,184	29,731
Most common failure	lighting and signalling	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.

LONGJIA LJ 50 QT-K 57.3% pass · 1,184 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.