If straight-line speed is your priority, the R6 Race takes the lead. With 18 HP more than the RS 660 Extrema, it offers a more spirited ride that will be noticeable on highway overtakes or track days. When it comes to agility, the RS 660 Extrema has a clear advantage. Weighing in 5kg less than the R6 Race, it will feel significantly easier to handle in low-speed traffic, parking maneuvers, and twisty corners. Riders with a shorter inseam should lean towards the RS 660 Extrema. Its seat height is 30mm lower than the R6 Race, making it much easier to flat-foot at stoplights and increasing confidence during stops. Bottom Line: While both are capable, the r6race offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.
| Spec | RS 660 Extrema | R6 Race |
|---|---|---|
| Displacement | 659 | 599 |
| Power | 100 | 118.4 |
| Cylinders | 2 | 4 |
| Weight | 180 | 185 |
| Seat height | 820 | 850 |
| MSRP (EU) | 13499 | 14390 |