Ninja 400 2023 vs Ninja 650 2025

If straight-line speed is your priority, the Ninja 650 takes the lead. With 23 HP more than the Ninja 400, it offers a more spirited ride that will be noticeable on highway overtakes or track days. When it comes to agility, the Ninja 400 has a clear advantage. Weighing in 25kg less than the Ninja 650, it will feel significantly easier to handle in low-speed traffic, parking maneuvers, and twisty corners. Bottom Line: While both are capable, the ninja650 offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.