Porsche Panamera World Premiere

Porsche unveiled its first four-door sports car at the Shanghai motor show. The Panamera is making its debut with a normally-aspirated 400 hp V8 engine and a twin-turbocharged 500 hp V8, and in both rear-wheel and all-wheel drive chassis configurations. You can see more exclusive content on the Automotive Rhythms Web site, ARtvLIVE.com!