The Porsche 918 Spyder’s hybrid system deliberately routes exhaust heat through the battery pack’s thermal management system during cold starts, but this same routing causes the battery to overheat during sustained high-power acceleration, forcing the car’s software to automatically reduce electric motor output precisely when drivers are pushing hardest—creating a performance paradox where the world’s most expensive hybrid actually becomes less powerful the more aggressively you drive it.
Car Fact #138 — October 31, 2026
