The Chevrolet SS will replace the Impala as the NASCAR vehicle for Bowtie bandits. The Impala has racked up 151 wins during its stock car racing years from 1959 to 1964 and 2007 through 2012. While we’ll miss the Impala, the Chevy SS excites us in a new way. With this first look at the Chevrolet NASCAR, we now have a better idea of what GM’s new performance sedan will look like. We know that the Chevrolet SS will be based on the Holden Commodore VF – Australia’s badass big muscle sedan.