2006-2008 Chevrolet HHR: Year-to-Year Changes
Updated: 11/23/08
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Learn about the year-to-year changes of the 2006-2008 Chevrolet HHR. Get full details of the styling and performance changes throughout the history of the 2006-2008 Chevrolet HHR.
Year to Year Changes
2007 Chevrolet HHR:
Except for revised horsepower and torque ratings, little changed for the 2007 model year. Engine output grew to 149 horsepower for the 2.2-liter and 175 hp for the 2.4-liter.
2008 Chevrolet HHR:
The 2008 Chevrolet HHR made news by offering a high-performance SS model along with an antiskid system. The HHR SS model got a turbocharged 2.0-liter 4-cylinder. A 5-speed manual transmission was standard, and a 4-speed automatic was optional.








