Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Suzuki Intruder vs Harley-Davidson XL
The Harley-Davidson XL passes its MOT first time more often than the Suzuki Intruder: 87.9% vs 84.1%, a 3.8-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Suzuki Intruder | Harley-Davidson XL |
|---|---|---|
| First-time pass rate | 84.1% | 87.9% |
| Outright fail rate | 9.0% | 5.3% |
| Median miles at test | 16,497 | 6,108 |
| MOT tests analysed | 3,753 | 18,541 |
| Most common failure | lighting and signalling | lamps and reflectors |
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.