The 2018 Hyundai Ioniq Plug-In Hybrid is something of the best of both worlds - it operates as a hybrid when it’s most efficient to do so, or as a full electric for a limited run of 29 miles before its gas engine kicks in. Looks aside, it offers something that Toyota took years to bring to market - a plug-in hybrid version that bridges the gap between the battery-powered Ioniq Electric and the hybridized Ioniq Hybrid. 2017 Toyota Prius: Who’s the King of Fuel Economy? When it goes fender-to-fender with a Prius, the Ioniq couldn’t be more different: It’s far more conventional-looking, a traditional hatchback with a split rear window that actually looks more like the last-generation Prius than the new Prius does. Hyundai’s Ioniq popped onto the scene to challenge the Toyota Prius right at a time when people began losing interest in cars versus crossovers, and hybrids in general.
