Head-to-head · 2005–2025
HARLEY-DAVIDSON XLH 883 vs TRIUMPH BONNEVILLE AMERICA
The HARLEY-DAVIDSON XLH 883 passes its MOT first time more often than the TRIUMPH BONNEVILLE AMERICA — 87.4% vs 85.7%, a 1.7-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | HARLEY-DAVIDSON XLH 883 | TRIUMPH BONNEVILLE AMERICA |
|---|---|---|
| First-time pass rate | 87.4% | 85.7% |
| Outright fail rate | 5.9% | 7.1% |
| Median miles at test | 10,350 | 9,728 |
| MOT tests analysed | 41,183 | 6,025 |
| 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.
HARLEY-DAVIDSON
XLH 883
87.4% pass · 41.2k tests
TRIUMPH
BONNEVILLE AMERICA
85.7% pass · 6,025 tests
See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.