Earlier this year, Chevrolet announced the return of the Corvette Grand Sport model. It?s a track-oriented Corvette with wider wheels and tires, special suspension tuning and unique exterior details. The Corvette Grand Sport achieves a 0-60 time of less than four seconds, pulls 1.0 g on the skid pad and still boasts an EPA-rated highway fuel economy 26 mpg. GM is now at the 2009 SEMA show in Las Vegas where they announced a slew of cool accessories for the new Grand Sport.