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
V12 engine Mercedes-Benz to follow suit in 1991. While BMW sells far fewer V12-engined 7 Series vehicles than V8 versions, the V12 is marketed in the U.S., China , and Russia. The BMW-designed V12 is used in Rolls-Royce cars, while the Mercedes engine was installed in Maybach cars. Mercedes S65 AMG, CL65 AMG, and SL65 AMG are powered by a V12 Bi Turbo engine making and at 2,300-4,300 rpm. The CL65 AMG has a significant higher cost, but the V12 engine makes them a status symbol. The V12 engine is generally smoother than the other 12-cylinder configuration, the W12, although the W12