The GAC M8 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 2.0T 120km Luxury: 1.1 L/100km; 2026 2.0T 120km Premium: 1.1 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.