The Porsche Panamera PHEV running cost picture depends most on fuel or charging use, tyres, insurance and the chosen variant price. The available running-cost clue is 2026 Panamera 4 Executive 2.9T: 1.8 L/100km; 2026 Panamera Turbo 4.0T: 2.1 L/100km; 2026 Panamera 4S 2.9T: 1.8 L/100km; 2026 Panamera 4 2.9T: 1.8 L/100km; 2026 Panamera Turbo S 4.0T: 2.1 L/100km. Lower energy use helps in daily commuting, while a sensible purchase price keeps insurance and financing easier to manage over the ownership period.