Continuing a decades-long tradition: The new 911 Cabriolet Dubai. Six weeks after the Coupe’s launch, Dr. Ing. h.c. F. Porsche AG introduces the new 911 Cabriolet. The open-top 911 continues a long tradition, established when Porsche unveiled the prototype of the first 911 Cabriolet in September 1981 at the International Motor Show (IAA) in Frankfurt.