Porsche's Detroit Motor Show World Premiere Rumored to be 918 Coupe Racer

We already know that Porsche plans to debut a new model at the rapidly approaching North American International Auto Show (NAIAS) in Detroit next week, but the problem is that the German sports car maker is keeping its cards close to its chest about the type of vehicle it will unveil. Adding to the many rumors already circulating on the internet, Bloomberg today reported that the model in