Keep in mind the Lamborghini Sesto Elemento? How might you overlook? Launched in 2010, the ultra-limited, Gallardo-based hypercar packed a 5.2-liter V-10 tuned to 562 horsepower, and had carbon-fiber-everything—the chassis, the physique, the driveshaft, even the wheels. With all that carbon fiber work, plus no stereo or air-con, the Sesto Elemento weighed simply 2,202 kilos