ZX-4R 2025 vs RC390 2024

If straight-line speed is your priority, the ZX-4R takes the lead. With 34 HP more than the RC390, it offers a more spirited ride that will be noticeable on highway overtakes or track days. When it comes to agility, the RC390 has a clear advantage. Weighing in 17kg less than the ZX-4R, 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 ZX-4R. Its seat height is 24mm lower than the RC390, making it much easier to flat-foot at stoplights and increasing confidence during stops. Bottom Line: While both are capable, the zx4r offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.