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Six of the 13 EPA size classes had at least one vehicle with EPA-rated fuel economy greater than 100 miles per gallon equivalent (MPGe) for model year 2023. Midsize and large electric vehicles (EVs) had the highest fuel economy, tying at 140 MPGe. Vehicles with conventional gasoline-powered drivetrains had the best fuel economy in only three size classes, mid-size station wagons, two-seaters, and minicompacts, achieving 25, 30 and 32 MPG, respectively.

Best Fuel Economy by EPA Size Class, Model Year 2023

Best Fuel Economy by EPA Size Class, Model Year 2023

Source: U.S. Department of Energy and U.S. Environmental Protection Agency, Fuel Economy Information, Model Year 2023 File as of 09/27/2023.