The 2018 Hyundai Sonata is available as a 4-door, 5-seat sedan. Starting at $22,050, the 2018 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 36-mpg on the highway. The top of the line 2018 Hyundai Sonata Limited 2.0T+ (A8), priced at $31,900, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 23-mpg in the city and 32-mpg on the highway.