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 2016 Hyundai Sonata Base 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.