This 1994 Porsche 911 is one of 936 Speedsters produced between 1992 and 1994, just 427 of which were built for the US market. This Guards Red example is one of just nine of those that were ordered with a four-speed Tiptronic transaxle. Powered by a 3.6-liter flat-six, the car is further equipped with black leather upholstery, 17" Cup alloy…