Fact #957: December 26, 2016 List of the Top Ten Most Fuel Efficient Light Vehicles, Model Year 2017

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According to the Fueleconomy.gov website, the list of the top ten most fuel efficient light vehicles includes nine electric vehicles (EV) and one plug-in hybrid-electric vehicle (PHEV). Electric vehicle fuel economy is measured in miles per gallon equivalent, or MPGe, where 33.7 kilowatt-hours of electricity is equal to one gallon of gasoline.

The Hyundai Ioniq Electric, with a combined city/highway fuel economy of 136 MPGe tops the list for model year (MY) 2017. Three vehicles tied for the fifth spot on the list – the Fiat 550e, the Mitsubishi i-MiEV, and the Nissan Leaf – with 112 MPGe. The BMW i3 REX, a range-extended electric vehicle, has a combined gasoline/electric city/highway fuel economy rating of 88 MPGe.

Top Ten Most Fuel Efficient Light Vehicles, MY 2017

Vehicle Combined Fuel
City/Hwy Fuel
Hyundai Ioniq Electric
Automatic (A1) EV
136 150/122
BMW i3 BEV (60 Amp-hour battery)
Automatic (A1) EV
124 137/111
Chevrolet Bolt
Automatic (A1) EV
119 128/110
BMW i3 BEV (94 Amp-hour battery)
Automatic (A1) EV
118 129/106
Fiat 500e
Automatic (A1) EV
112 121/103
Mitsubishi i-MiEV
Automatic (A1) EV
112 121/102
Nissan Leaf
Automatic (A1) EV
112 124/101
Kia Soul Electric
Automatic (A1) EV
105 120/92
BMW i3 REX (94 Amp-hour battery)
0.6 L, 2 cyl, Automatic (A1) PHEV
88 95/81
Mercedes-Benz B250e
Automatic (A1) EV
84 85/82

Note: A1 = automatic transmission with one speed.
Source: U.S. Department of Energy, Fuel Economy data, Fueleconomy.gov Top Ten, accessed December 1, 2016.

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