Computer Games - What can you tell us about the types of cars in GTR and how customisablethey are in the game? Wolfgang Duhr - The game is based on the FIA GT Championship - hence the cars are the ones that appear in that championship. The field contained of some of the world's toughest sports cars like Ferrari, Lister Storm, Viper, Saleen and Porsche. The series also contains two classes, the bigger GT-cars with around 600 horsepower and the NGT-cars that are slightly lighter with around 450 horsepower. All the cars are accurately team-specific in their designs so if you are mechanically skilled there are numerous of setup possibilities to thrive in. You can change virtually everything that is adjustable on the cars' real life counterparts.