Porsche has unveiled their second generation Cayenne GTS. Based on the Cayenne S, this new model is equipped with 20 additional horsepower. The latest Cayenne transmits power from its 420 hp V8 to an active All-Wheel-Drive system coupled to an eight-speed Tiptronic S transmission with integrated Auto Start Stop function. 0-62 in 5.7 second, a top speed of 162 mph. The 2013 Cayenne GTS will go on sale in the U.S. in August 2012, with a base MSRP of $82,050, not including a $975 delivery charge.