Beta Motard 4.0 vs Suzuki DR-Z400S

The Beta Motard 4.0 passes its MOT first time more often than the Suzuki DR-Z400S: 91.6% vs 80.4%, a 11.2-point lead.

MOT reliability, side by side

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

Metric	Beta Motard 4.0	Suzuki DR-Z400S
First-time pass rate	91.6%	80.4%
Outright fail rate	3.7%	11.1%
Vs comparable bikes (age & mileage adjusted)	+4.5 pts	-6.5 pts
Engine size	349cc	398cc
Median miles at test	6,856	6,940
MOT tests analysed	107	26,773
Most common failure	brakes	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.

BETA MOTARD 4.0 91.6% pass · 107 tests SUZUKI DR-Z400S 80.4% pass · 26.8k tests

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