Others answered about engines efficiencies. air resistance doesn’t care whether the motive force is a gas engine, electric motors, nuclear powering steam turbi

Others answered about engines efficiencies. air resistance doesn’t care whether the motive force is a gas engine, electric motors, nuclear powering steam turbines, Flinstone feet, or a wound up spring. All that matters is the cars form factor, i.e. the shape and texture of the outer shell.