It was 1963 when a firm Pontiac released a new model “Pontiac Tempest GTO”, they looking for a way to promote this model. There is a small magazine “Car and driver” at that time, they need an interesting article to enhance their sales. They give an idea of article “new Pontiac Tempest V/S Ferrari GTO”. They just tested Tempest and compared it with Ferrari. This article become so popular and it helps in enhancing sales of Pontiac, Then Muscle cars get growth by passage of time.