World Challenge with six Audi teams
- Season of North America’s major GT racing series to open in Austin
- Six Audi R8 LMS ultra cars pitted against 25 rivals from ten marques
- Support by Audi Sport customer racing North America
The Pirelli World Challenge in North America has evolved into one of the best-filled GT racing series in which teams fielding the Audi R8 LMS ultra battle for the title. An impressive line-up of six of the GT3 race cars will be starting the new season at Austin/Texas next weekend.