SWM RS vs Suzuki AN400

The Suzuki AN400 passes its MOT first time more often than the SWM RS — 86.2% vs 84.6%, a 1.6-point lead.

MOT reliability, side by side

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

Metric	SWM RS	Suzuki AN400
First-time pass rate	84.6%	86.2%
Outright fail rate	7.5%	9.8%
Median miles at test	2,858	15,861
MOT tests analysed	228	27,056
Most common failure	suspension	brakes

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.

SWM RS 84.6% pass · 228 tests SUZUKI AN400 86.2% pass · 27.1k tests

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