Cadillac unveiled the XTS Platinum Concept at the 2010 North American International Auto Show, suggesting a new paradigm for the luxury sedan of the future. The concept showcases Cadillac XTS and emerging top-of-the-line Platinum series of models, emphasizing new expressions ...

Audi showcased the Audi e-tron Spyder, the study of an open sports car, at the New York Auto Show last year. The show car, with plug-in hybrid drive, is 4.06 meters (13.32 ft) long, 1.81 meters (5.94 ft) wide and ...