The 2017 Porsche 911 Turbo and the even higher-performance 911 Turbo S were revealed at the North American International Auto Show in Detroit. Improvements to the brand’s flagship vehicle include more horsepower and a new communications system. Convertible and coupé versions are available. Watch our interview at the Robb Report Live studio on the show floor with Klaus Zellmer, president and CEO of Porsche North America, to learn more. (porsche.com) Learn more about Robb Report at the 2016 Detroit auto show. >>