390 Duke 2025 vs GSX-S125 2024

If straight-line speed is your priority, the 390 Duke takes the lead. With 29 HP more than the GSX-S125, it offers a more spirited ride that will be noticeable on highway overtakes or track days. When it comes to agility, the GSX-S125 has a clear advantage. Weighing in 30kg less than the 390 Duke, 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 GSX-S125. Its seat height is 35mm lower than the 390 Duke, making it much easier to flat-foot at stoplights and increasing confidence during stops. Bottom Line: While both are capable, the 390duke offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.