Ranking

Most efficient EVs: 2015 model year

Every EV with a published EPA combined efficiency, lowest energy use first, in kilowatt-hours per 100 miles. Fewer kWh per 100 miles means a cheaper charge for the same distance.

Published specs, not John’s test results. His score shows where he has scored a car; it never changes the order.

Data: Efficiency: fueleconomy.gov (EPA) for 18. Values last checked October 24, 2026.

18 of 18 EVs have a published EPA efficiency figure

Average 33.0 kWh/100 mi

  1. 1
    2015 BMW i3
    Photo credit

    Photo: Zytonits, CC BY-SA 2.0

    Specs only · not reviewed yet · Discontinued (2014–2021)

    124 MPGe

    27.0 kWh/100 mi

    Compare the 2015 BMW i3
  2. 2
    2015 Chevrolet Spark EV
    Photo credit

    Photo: Mr.choppers, CC BY-SA 3.0

    Specs only · not reviewed yet · Discontinued (2014–2016)

    119 MPGe

    28.3 kWh/100 mi

    Compare the 2015 Chevrolet Spark EV
  3. 3
    2014 Fiat 500e
    Photo credit

    Photo: Rutger van der Maar, CC BY 2.0

    Specs only · not reviewed yet · Model years 2013–2026

    116 MPGe

    29.2 kWh/100 mi

    Compare the 2015 Fiat 500e
  4. 3
    2018 Volkswagen e-Golf
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2015–2019)

    116 MPGe

    29.2 kWh/100 mi

    Compare the 2015 Volkswagen e-Golf
  5. 5
    2017 Nissan Leaf
    Photo credit

    Photo: Makizox, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2011–2026

    114 MPGe

    29.6 kWh/100 mi

    Compare the 2015 Nissan Leaf
  6. 6
    2013 Smart fortwo electric drive
    Photo credit

    Photo: IFCAR, Public domain

    Specs only · not reviewed yet · Discontinued (2011–2018)

    107 MPGe

    31.5 kWh/100 mi

    Compare the 2015 Smart fortwo electric drive Cabrio
  7. 6
    2013 Smart fortwo electric drive
    Photo credit

    Photo: IFCAR, Public domain

    Specs only · not reviewed yet · Discontinued (2011–2018)

    107 MPGe

    31.5 kWh/100 mi

    Compare the 2015 Smart fortwo electric drive Coupe
  8. 8
    2012 Ford Focus Electric
    Photo credit

    Photo: Cutlass, CC0

    Specs only · not reviewed yet · Discontinued (2012–2018)

    105 MPGe

    32.0 kWh/100 mi

    Compare the 2015 Ford Focus Electric
  9. 8
    2019 Kia Soul EV
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2015–2020)

    105 MPGe

    32.0 kWh/100 mi

    Compare the 2015 Kia Soul EV
  10. 10
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2012–2026)

    101 MPGe

    33.0 kWh/100 mi

    Compare the 2015 Tesla Model S 70D
  11. 11
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2012–2026)

    100 MPGe

    34.0 kWh/100 mi

    Compare the 2015 Tesla Model S 85D
  12. 11
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2012–2026)

    100 MPGe

    34.0 kWh/100 mi

    Compare the 2015 Tesla Model S 90D
  13. 13
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2012–2026)

    95 MPGe

    35.0 kWh/100 mi

    Compare the 2015 Tesla Model S 60 kWh
  14. 14
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2012–2026)

    93 MPGe

    36.0 kWh/100 mi

    Compare the 2015 Tesla Model S P85D
  15. 14
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2012–2026)

    93 MPGe

    36.0 kWh/100 mi

    Compare the 2015 Tesla Model S P90D
  16. 16
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2012–2026)

    89 MPGe

    38.0 kWh/100 mi

    Compare the 2015 Tesla Model S 85 kWh
  17. 16
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2012–2026)

    89 MPGe

    38.0 kWh/100 mi

    Compare the 2015 Tesla Model S 90 kWh
  18. 18
    2015 Mercedes-Benz B-Class Electric Drive
    Photo credit

    Photo: DestinationFearFan, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2014–2017)

    84 MPGe

    40.0 kWh/100 mi

    Compare the 2015 Mercedes B-Class Electric Drive

How this list is made

  • Shorter bar, less energy per mile. Bars are measured from zero against the top value; the dark tick marks the average of all 18 ranked here.
  • Scores are John’s, shown only where he has scored a car, and they don’t affect the order. How John scores.
  • Each car’s page lists the source of every figure and when it was last checked.

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