"Compare Side-by-Side: 2017 Hyundai Ioniq Electric" www.fueleconomy.gov "Compare Side-by-Side: 2017 Hyundai Ioniq Electric" "2017 Hyundai Ioniq Electric" "Compare Side-by-Side: 2017 Hyundai Ioniq Electric" Hyundai Ioniq Electric www.fueleconomy.gov www.fueleconomy.gov 136 MPGe combined 136 MPGe combined www.fueleconomy.gov www.fueleconomy.gov www.fueleconomy.gov U.S. EPA