The Chevrolet Cobalt SS Turbo and HHR Panel SS Concept benefit from the same 2.0-liter Ecotec four stuffed in the Pontiac Solstice GXP and the Saturn Sky Redline. Making 260-horsepower and 260 ...

The Cobalt SS was pretty good when it came out three years ago, but it's even better now. "Better?" you say. "Impossible! The original Cobalt SS was supercharged and intercooled and had a big silly ...

BUTTONWILLOW, Calif. — It's hard for many of us to see a Chevy Cobalt as a real performance car—even when it's wearing low-profile tires, a body kit and a big rear wing. But swing the 2008 Cobalt SS ...