Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Gilera Dna 180 vs Bsa Bantam
The Bsa Bantam passes its MOT first time more often than the Gilera Dna 180: 88.7% vs 77.4%, a 11.3-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Gilera Dna 180 | Bsa Bantam |
|---|---|---|
| First-time pass rate | 77.4% | 88.7% |
| Outright fail rate | 16.4% | 5.4% |
| Vs comparable bikes (age & mileage adjusted) | +0.8 pts | +5.1 pts |
| Engine size | 176cc | 175cc |
| Median miles at test | 4,220 | 13,193 |
| MOT tests analysed | 146 | 7,202 |
| Most common failure | steering and suspension | 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.
"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.
See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.