Head-to-head · 2005–2025
BMW R850 vs SUZUKI GSF600
The BMW R850 passes its MOT first time more often than the SUZUKI GSF600 — 86.7% vs 77.3%, a 9.4-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | BMW R850 | SUZUKI GSF600 |
|---|---|---|
| First-time pass rate | 86.7% | 77.3% |
| Outright fail rate | 7.2% | 14.2% |
| Median miles at test | 27,493 | 21,080 |
| MOT tests analysed | 16,654 | 143,023 |
| Most common failure | brakes | 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.
See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.