Kia Niro (plug-in hybrid)

Fuel and electricity cost a year: Strong. The EPA estimates $950 a year for electricity and gasoline together, assuming 62 per cent of miles run on electricity, the share the EPA assigns to a car with 33 miles of electric range (its utility factor). On gasoline alone, at 48 mpg, its figure is $1,400. Both assume 15,000 miles a year with 55 per cent city driving, at 15 cents a kilowatt-hour and $4.47 a gallon of regular, the prices behind the EPA's figures in this file. Scored on the combined figure against the cheapest to run on this list ($950 a year scores 100; twice that scores 50). source↗ 2026-10