Prototype Challenge - 2026 Season 4 - Fixed

The unification of modern prototype regulations around the world has produced one of the most exciting, manufacturer-driven battles in recent motorsport history. Take the wheel of these high-powered pieces of machinery from Acura, BMW, Cadillac, Porsche, and Ferrari in a fixed setup series traversing the world’s greatest road courses, and see if you have what it takes to outduel iRacers from around the world!