Sebastian Vettel driving GT5 RedbullX1 prototype at Nrburgring GP Course

Find more GT5 videos on . In a world where modern professional racing is restricted by regulations, the X1 is a machine born from a fantastic “what if“ dream of Gran Turismo: “What would the fastest racing car on Earth, free of any and all regulations, look like?“ And the only way to experience it is in Gran Turismo 5. Initially the X1 Prototype was a single-seater canopied prototype wing car with covered front wheels. Powered by a 1500ps direct-injection V6 Twin Turbo, on paper the perf