The 2008 Chevrolet HHR Panel is available as a 2-door, 2-seat sport utility. Starting at $17,035, the 2008 Chevrolet HHR Panel LS is powered by a 2.2L, 4-cylinder engine mated to a manual transmission that returns an EPA estimated 20-mpg in the city and 30-mpg on the highway. The top of the line 2008 Chevrolet HHR Panel LT, priced at $18,050, is powered by a 2.2L, 4-cylinder engine mated to a manual transmission that returns an EPA estimated 20-mpg in the city and 30-mpg on the highway.