The GT World Challenge America is a professional sports car racing series that features high-performance vehicles from various manufacturers. It is part of the larger GT World Challenge series, which includes competitions in Europe and Asia. The series showcases both amateur and professional drivers competing in races held on some of the most iconic road courses in the United States. Races typically involve teams of two drivers sharing a car, with events lasting from one to three hours. The series emphasizes the use of GT3 and GT4 class cars, which are designed for both performance and safety. This championship attracts a diverse range of participants, including manufacturers like Ferrari, Porsche, and Mercedes-Benz.