Cayenne Turbo - Dream Cars Model: Cayenne Turbo Displacement cu in (cc): 274 (4500) Power bhp (kW) at RPM: 520 (390) 6000 Max Torque Speed Nm: 785 Redline at RPM: 6.000 Top Speed mph (kmh): 166 (266) 0 - 62.1 mph: 5.