Porsche 993 Vs Porsche 996 C4S - Air-cooled or Water-cooled?

About Porsche 993

The Porsche 911, internally type 993, is the fourth generation of the 911 model of Porsche sports car, manufactured and sold between 1994 and 1998 (model years 1995–1998 in the United States), replacing the 911, type 964. Its discontinuation marked the end of air-cooled 911 models. The 993 was much improved over and quite different from its predecessor. According to Porsche, "every part of the car was designed from the ground up, including the engine" but nevertheless "only 20% of its parts were...