The 2011 Chevrolet HHR is available as a 4-door, 5-seat sport utility. Starting at $18,720, the 2011 Chevrolet HHR LS is powered by a 2.2L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 22-mpg in the city and 32-mpg on the highway. The top of the line 2011ChevroletHHRLT , priced at $ 19,720 , is powered by a 2.2L , 4 - cylinder engine mated to a manual transmission that returns an EPA estimated 22-mpg in the city and 32-mpg on the highway.