If straight-line speed is your priority, the 890 Duke GP takes the lead. With 19 HP more than the Tuono 660, it offers a more spirited ride that will be noticeable on highway overtakes or track days. Both bikes share a similar footprint on the scale, with only a negligible 0kg difference between them, so handling characteristics will depend more on center-of-gravity than raw weight. Bottom Line: While both are capable, the 890duke offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.
| Spec | Tuono 660 | 890 Duke GP |
|---|---|---|
| Displacement | 659 | 889 |
| Power | 95 | 113.9 |
| Cylinders | 2 | 2 |
| Weight | 183 | 183 |
| Seat height | 820 | 820 |