The 2011 Hyundai Sonata is available as a 4-door, 5-seat sedan. Starting at $19,395, the 2011 Hyundai Sonata GLS (M6) is powered by a 2.4L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 24-mpg in the city and 35-mpg on the highway. The top of the line 2011HyundaiSonataLimited 2.0T w/17 Wheels , priced at $ 27,145 , is powered by a 2.0L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 33-mpg on the highway.