The Denza D9 should be capable enough for highway driving based on its listed output. Key figures include 2025 480km 4WD Premium: 275 kW; 2025 520km FWD Advanced: 230 kW; 2025 480km 4WD Premium: 470 N·m; 2025 520km FWD Advanced: 360 N·m. Power helps with maintaining speed, while torque matters when merging, climbing gradients or overtaking, so these figures are most useful when viewed through real Malaysian driving conditions.