Just weeks after the spectacular premiere of the eighth generation of Porsche 911 in Los Angeles, the latest generation of 911 Carrera S and 4S Cabriolet models are celebrating their debut. Featuring a solid glass rear window and integrated magnesium support elements, their automatic fabric top opens or closes in approximately 12 seconds at speeds of up to 31 miles per hour. Like the recently introduced Coupe models, both the 911 Carrera S and 4S... continue