while 911 Carrera 4S, 4S Cabriolet, and S Cabriolet models return 18/23 with the PDK. Porsche offers several optional active safety features for the 911, including lane keep assist, lane change ...

The Porsche 911 was born in 1963 ... including the choice of either coupe or convertible. The base 911 Carrera, Carrera S, and their drop-top cabriolet versions remain the only new 991-series ...