675NK 2026 vs 390 Duke 2025

If straight-line speed is your priority, the 675NK takes the lead. With 51 HP more than the 390 Duke, it offers a more spirited ride that will be noticeable on highway overtakes or track days. When it comes to agility, the 390 Duke has a clear advantage. Weighing in 24kg less than the 675NK, it will feel significantly easier to handle in low-speed traffic, parking maneuvers, and twisty corners. Bottom Line: While both are capable, the 675nk offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.