The McLaren 720S is powered by the M840T engine, a 4.0-liter V8 twin-turbocharged unit that redefined the performance benchmarks of the supercar world upon its release. Generating 710 brake horsepower and 770 Nm of torque, this mid-mounted engine utilizes twin-scroll turbochargers and electronically controlled wastegates to provide near-instantaneous power delivery. The vehicle features a 7-speed Seamless Shift Gearbox (SSG) that allows for ultra-fast gear changes, enabling the 720S to reach a top speed of 341 kmph and complete the 0-100 kmph sprint in a staggering 2.9 seconds.
In the Indian context, the engine's mid-mounted position contributes to an exceptionally low center of gravity, which enhances stability during high-speed maneuvers on expressways. The cooling system is highly advanced, featuring unique "eye-socket" intakes that channel air through the radiators and over the engine components to ensure optimal performance even in high-ambient temperatures. This engineering focus ensures that the 720S remains a dominant force in the performance category, offering a raw and visceral driving experience that is synonymous with McLaren's racing heritage.