WK Bikes Colt 50 vs Peugeot Vivacity

The Peugeot Vivacity passes its MOT first time more often than the WK Bikes Colt 50: 70.4% vs 64.2%, a 6.2-point lead.

MOT reliability, side by side

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

Metric	WK Bikes Colt 50	Peugeot Vivacity
First-time pass rate	64.2%	70.4%
Outright fail rate	25.7%	21.7%
Vs comparable bikes (age & mileage adjusted)	-11.7 pts	-0.9 pts
Engine size	48cc	49cc
Median miles at test	3,563	11,162
MOT tests analysed	148	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.

"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.

WK BIKES COLT 50 64.2% pass · 148 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.