The 2016 Hyundai Sonata is available as a 4-door, 5-seat sedan. Starting at $21,750, the 2016 Hyundai Sonata SE (A6) is powered by a 2.4L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 25-mpg in the city and 38-mpg on the highway. The top of the line 2016HyundaiSonataBase w/PZEV (A6) , priced at $ 21,300 , is powered by a 2.4L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 25-mpg in the city and 38-mpg on the highway.