Explaining a car on Instagram: "This is the sound of modern endurance racing. These LMDh hypercars — from Porsche, BMW, Aston Martin, and Cadillac — use hybrid systems that run silently in electric mode while in the pit lane. Once they cross the exit line, the V8 engine kicks in automatically. The transition is instant from EV silence to full combustion roar. It’s powered by a spec hybrid unit (Bosch motor, Williams battery, Xtrac gearbox), paired with each brand’s own engine. It’s not just loud