Since its market launch in may 1975, the 911 Turbo (name initially 930) has been the top-of-the-range model in the 911 model line. Featured a three-litre air-cooled six-cylinder engine boosted by a KKK turbocharger. With a maximum pressure of .8 Bar, or about 11.5 psi, the engine developed an impressive 260 HP at 5,500 rpm and 253 foot-pounds of torque at 4,000 rpm. 274 examples built in 1975. Chassis number : 9115700001 - 9115700284