The Koenigsegg Agera is powered by an in-house developed 5.0-litre twin-turbocharged V8 engine which produces 940 hp at 6900 rpm and 810 lb·ft of torque at 4000 rpm. Total weight of the engine is only 434 lb thanks to a carbon fiber intake manifold and the aluminum construction. The transmission is a 7-speed dual clutch with paddle shifters. It is the first dual clutch transmission to feature only one input shaft. The second clutch slows down the input shaft during up shifts in order to reduce the time it takes to synchronize the next gear, resulting in faster shift times. Most notably, the transmission weighs only 179 lbs.