The 2019 Hyundai Ioniq Plug-In Hybrid is available as a 4-door, 5-seat hatchback. Starting at $25,350, the 2019 Hyundai Ioniq Plug-In Hybrid Base is powered by a 1.6L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2019 Hyundai Ioniq Plug-In Hybrid Limited, priced at $29,350, is powered by a 1.6L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated