The Highest EPA-Rated Fuel Economy for Model Year 2023 Was 140 Miles per Gallon Equivalent Achieved by Two Electric Vehicle Models
In model year 2023, the highest-rated EPA combined fuel economy for gasoline vehicles was about 60 miles per gallon , while two electric vehicle models — the Hyundai Ioniq 6 and the Lucid Air — achieved 140 mpg-equivalent . MPGe is a unit of measure used by the EPA to represent EV fuel economy in a common unit with gas-powered vehicles, where 33.7 kilowatt-hours of electricity are equal to the energy contained in one gallon of gasoline.
From MY 2011 to MY 2023, maximum EV fuel economy has grown 37% while gasoline vehicle fuel economy has increased just 19%.: Combined fuel economy refers to EPA’s combined city/highway fuel economy rating. Read more about that rating