Old vs. New Comparison Motor Trend has compared three classic muscle cars with their new versions. Check out how these cars performed: 1970 440-6 Challenger vs. Challenger SRT 1968 396 Camaro vs. Camaro SS 1969 Shelby GT 500 428 CJ vs. Shelby GT 500 https://www.youtube.com/watch?v=geq5Oz4aDSQ