The Porsche Panamera has fuel-consumption figures that are useful for daily commuting comparisons. The listed combined consumption is 2026 Panamera 2.9T: 9.5 L/100km; 2026 Panamera GTS 4.0T: 11.7 L/100km. For owners, a lower L/100 km figure means fewer fuel stops and better long-term running costs, especially for Klang Valley traffic and regular intercity trips.