Head-to-head · 2005–2025
ROYAL ENFIELD BULLET vs SUZUKI AN400
The ROYAL ENFIELD BULLET passes its MOT first time more often than the SUZUKI AN400 — 87.9% vs 86.2%, a 1.7-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | ROYAL ENFIELD BULLET | SUZUKI AN400 |
|---|---|---|
| First-time pass rate | 87.9% | 86.2% |
| Outright fail rate | 5.3% | 9.8% |
| Median miles at test | 7,264 | 15,861 |
| MOT tests analysed | 5,116 | 27,056 |
| Most common failure | lighting and signalling | 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.
See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.