If straight-line speed is your priority, the Ninja 650 takes the lead. With 12 HP more than the Ninja ZX-4R ABS, 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 4kg difference between them, so handling characteristics will depend more on center-of-gravity than raw weight. Bottom Line: While both are capable, the ninja650 offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.
| Spec | Ninja 650 | Ninja ZX-4R ABS |
|---|---|---|
| Displacement | 649 | 399 |
| Power | 68 | 56 |
| Cylinders | 2 | 4 |
| Weight | 193 | 189 |
| Seat height | 790 | 800 |
| MSRP (US) | 8299 | 9299 |
| MSRP (EU) | 7945 | 8999 |