9. Chevrolet Cobalt SS
The Chevrolet Cobalt SS might have started life as a modest compact, but its turbocharged four-cylinder engine and finely-tuned chassis turned it into a genuine performer. Capable of outpacing much pricier rivals on both road and track, the Cobalt SS surprised everyone with its agility and power.
This car’s unassuming looks only added to its appeal as a true sleeper.
See how the Cobalt SS impressed reviewers.