Head-to-head · 2005–2025
Harley-Davidson Fxdbi vs Harley-Davidson XL1200C
The Harley-Davidson XL1200C passes its MOT first time more often than the Harley-Davidson Fxdbi — 88.4% vs 87.2%, a 1.2-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Harley-Davidson Fxdbi | Harley-Davidson XL1200C |
|---|---|---|
| First-time pass rate | 87.2% | 88.4% |
| Outright fail rate | 5.9% | 5.7% |
| Median miles at test | 12,562 | 9,976 |
| MOT tests analysed | 3,189 | 15,738 |
| 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.