Ranking

Most efficient EVs: SUV, 2021 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 2. Values last checked October 24, 2026.

2 of 2 EVs have a published EPA efficiency figure

Average 33.3 kWh/100 mi

  1. 1
    2017 Tesla Model X
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2016–2026)

    105 MPGe

    32.0 kWh/100 mi

    Compare the 2021 Tesla Model X Long Range Plus
  2. 2
    2017 Tesla Model X
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2016–2026)

    97 MPGe

    34.6 kWh/100 mi

    Compare the 2021 Tesla Model X Performance

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 2 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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