Lamborghini V12 discontinued their first-generation V12 after the Murcielago, opting for a brand-new V12 that first saw use on the Lamborghini Aventador. When Ferruccio Lamborghini set out to compete with Ferrari, he contracted Giotto Bizzarrini to design the engine for his car and, according to some accounts, paid him a bonus for every horsepower over what Ferrari's V12 could produce. The finished V12, with minor improvements, went on to become the 6.5 litre powering the Lamborghini Murciélago LP 640, and completed its service for Lamborghini with the final version of the Murciélago, the Murciélago LP 670-4 SuperVeloce. The engine was designed from
Brabus E V12 street-legal Mercedes engine. Under the hood featured a 7.3-liter version of Mercedes V12. Brabus claimed the engine produced 582 horsepower and 780 nm of torque (575.3 lb/ft), all while propelling the car to an electronically limited 330 km/h (205 mph). Proceeding the W210, the new W211 followed, bringing with twin-turbochargers. The new engine produced 640 horsepower, 1026 Nm (757 lb/ft)and the car could reach 350.2 km/h (217.6 mph). The work that Brabus did to the 6.3-liter twin-turbocharged V12 was enough to help them reclaim the Guinness World Record for fastest four-door sedan. Continuing on with the W211 chassis, Brabus was