The Porsche Cayenne should be capable enough for highway driving based on its listed output. Key figures include 2026 Cayenne 3.0T: 353 Ps; 2026 Cayenne S 4.0T: 474 Ps; 2026 Cayenne GTS Coupé 4.0T: 500 Ps; 2026 Cayenne Coupé Black Edition 3.0T: 353 Ps; 2026 Cayenne Coupé 3.0T: 353 Ps; 22 more variants. 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.