Summary: In this episode: The Porsche factory teams with the super fast 911 RSR GT Class car and the 919 Hybrid LMP1 Class car start off the 2015 season with some runs at the Silverstone Circuit.
Summary: In this episode: The Porsche factory teams with the super fast 911 RSR GT Class car and the 919 Hybrid LMP1 Class car start off the 2015 season with some runs at the Silverstone Circuit.