Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
SWM Gran Milano vs Suzuki GS500
The SWM Gran Milano passes its MOT first time more often than the Suzuki GS500: 84.4% vs 76.4%, a 8.0-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | SWM Gran Milano | Suzuki GS500 |
|---|---|---|
| First-time pass rate | 84.4% | 76.4% |
| Outright fail rate | 6.7% | 15.0% |
| Vs comparable bikes (age & mileage adjusted) | -5.7 pts | -7.1 pts |
| Engine size | 445cc | 487cc |
| Median miles at test | 2,578 | 21,676 |
| MOT tests analysed | 135 | 44,924 |
| Most common failure | lamps and reflectors | 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.
"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.