Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Honda 400/4 vs Suzuki DR-Z400S
The Honda 400/4 passes its MOT first time more often than the Suzuki DR-Z400S: 85.0% vs 80.4%, a 4.6-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Honda 400/4 | Suzuki DR-Z400S |
|---|---|---|
| First-time pass rate | 85.0% | 80.4% |
| Outright fail rate | 8.1% | 11.1% |
| Median miles at test | 30,269 | 6,940 |
| MOT tests analysed | 988 | 26,773 |
| 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.
See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.