Aug 9 2009
2010 Shelby GT500 lives up to 540 horsepower rating

We already know the 2010 Shelby GT500 is incredibly quick. In our initial performance test of the car, we ripped off a 12.9 second pass despite our lack of drag racing experience, a slippery track and a stiff headwind. With an experienced driver and prime conditions we have no doubt that Shelby’s latest muscle car can break into the 11′s. At the time, we thought to ourselves that the car’s 540 horsepower number was probably underrated, and it turns out we were spot on.
Q Full article, Source: AutoBlog
