RS 660 2026 vs 450SR (SS) 2024

If straight-line speed is your priority, the RS 660 takes the lead. With 55 HP more than the 450SR (SS), it offers a more spirited ride that will be noticeable on highway overtakes or track days. When it comes to agility, the 450SR (SS) has a clear advantage. Weighing in 15kg less than the RS 660, 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 450SR (SS). Its seat height is 25mm lower than the RS 660, making it much easier to flat-foot at stoplights and increasing confidence during stops. Bottom Line: While both are capable, the rs660 offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.