According to the Wiki article on the Carrera GT, it was initially designed as a sports-racing prototype. Performance-wise, it is probably the least compromised car they have ever produced for public consumption.
The Stig on Top Gear spun it around and Clarkson said if you make a mistake it bites your head off.
If you look at ‘Hercules Street, Santa Clarita’ at Google Maps you will see those raised road dots along the lanes.. I wonder if the car might have lost traction along these dots. Rodas might just have lost control after having gone around the corner preceding that straightaway at high speed (85mph).