The retro Chevrolet HHR is one of those vehicles that is prime for special editions. This fall, we saw an all-black limited edition; for the spring, Chevy will roll out a mere 4,000 of the just ...

The underpinnings are from the new Chevy Cobalt. Also like the PT, the HHR power comes from an economical 2.4-liter four-cylinder engine, the one that produces 170 hp in the Cobalt.