The C6 Grand Sport Convertible is a convertible variation of the Corvette C6. It was released in January 2010 with a folding soft top and body improvements seen on the C6 Z06 model. It was unveiled at the 12th annual C5/C6 Corvette Birthday Bash at the National Corvette Museum in Bowling Green, Kentucky. It was released as a replacement for the Z51 package for the C6. The Grand Sport model also incorporates a Z06 brake package featuring 14" front and 13.4" brake callipers.