Pandem Porsche Caymen - Uncut FilmsThe 2011 Porsche Cayman has a 2. 7 liter horizontally opposed ("flat") six cylin der engine that generates 245 hp and 201 lb ft of torque. It comes standard with a five speed manual transmission, with an optional six speed manual or a five speed automatic with steering wheel mounted shift buttons. The Cayman S is powered by a 3. 4 liter flat 6 that puts out 295 hp and 251 lb ft of torque. A six speed manual transmission is standard, and the automatic