The 2018 Hyundai Sonata Hybrid is available as a 4-door, 5-seat sedan. Starting at $25,500, the 2018 Hyundai Sonata Hybrid SE is powered by a 2.0L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 40-mpg in the city and 46-mpg on the highway. The top of the line 2018HyundaiSonata HybridLimited w/Emerald Blue Interior , priced at $ 30,500 , is powered by a 2.0L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 39-mpg in the city and 44-mpg on the highway.