Porsche 991 Porsche spy shots 2013 Porsche 911 Turbo Cabriolet   Caught testing several months back in the European arctic, our latest Porsche spy photos show the 2013 Porsche 911 Turbo Cabriolet out for some top down fun. Based on the all-new Porsche 991 platform the newest 2013 Porsche 911 Turbo will be 4-inches longer than […]