Offering high performance in an unassuming package, sleeper cars have been around for longer than you may think.

Chevy Impala SS was on TV before it went off the radar. Randy bought it from a Copart yard, brought it home and tries to fix it ...

American sedan can make mincemeat of some of the 90s supercars that it had no right going up against - it is a true sleeper ...

Offered from 1967 to 1969, the Z24 option package included a heavy-duty suspension and a 427-cubic-inch V8 rated at 385 ...