Ranking

Most efficient EVs: 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 49. Values last checked October 24, 2026.

49 of 49 EVs have a published EPA efficiency figure

Average 35.4 kWh/100 mi

  1. 1
    2019 Tesla Model 3
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2017–2027

    142 MPGe

    23.7 kWh/100 mi

    Compare the 2021 Tesla Model 3 Standard Range Plus RWD
  2. 2
    2019 Tesla Model 3
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2017–2027

    134 MPGe

    25.1 kWh/100 mi

    Compare the 2021 Tesla Model 3 Long Range AWD
  3. 3

    Specs only · not reviewed yet · Discontinued (2017–2021)

    133 MPGe

    25.4 kWh/100 mi

    Compare the 2021 Hyundai Ioniq Electric
  4. 4
    2025 Tesla Model Y
    Photo credit

    Photo: Ethan Llamas, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2020–2027

    129 MPGe

    26.0 kWh/100 mi

    Compare the 2021 Tesla Model Y Standard Range RWD
  5. 5
    2023 Hyundai Kona Electric
    Photo credit

    Photo: Elise240SX, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2019–2025

    120 MPGe

    27.0 kWh/100 mi

    Compare the 2021 Hyundai Kona Electric
  6. 5
    2025 Tesla Model Y
    Photo credit

    Photo: Ethan Llamas, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2020–2027

    125 MPGe

    27.0 kWh/100 mi

    Compare the 2021 Tesla Model Y Long Range AWD
  7. 7
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

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

    120 MPGe

    28.2 kWh/100 mi

    Compare the 2021 Tesla Model S Long Range
  8. 8
    2017 Chevrolet Bolt EV
    Photo credit

    Photo: Kevauto, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2017–2023)

    118 MPGe

    28.7 kWh/100 mi

    Compare the 2021 Chevrolet Bolt EV
  9. 9

    Specs only · not reviewed yet · Discontinued (2021)

    114 MPGe

    29.5 kWh/100 mi

    Compare the 2021 Kandi K27
  10. 10
    2015 BMW i3
    Photo credit

    Photo: Zytonits, CC BY-SA 2.0

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

    113 MPGe

    29.8 kWh/100 mi

    Compare the 2021 BMW i3
  11. 10
    2015 BMW i3
    Photo credit

    Photo: Zytonits, CC BY-SA 2.0

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

    113 MPGe

    29.8 kWh/100 mi

    Compare the 2021 BMW i3 i3s
  12. 12
    2020 Kia Niro EV
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2019–2026

    112 MPGe

    30.0 kWh/100 mi

    Compare the 2021 Kia Niro EV
  13. 12
    2019 Tesla Model 3
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2017–2027

    113 MPGe

    30.0 kWh/100 mi

    Compare the 2021 Tesla Model 3 Performance AWD
  14. 14
    2024 Nissan Leaf
    Photo credit

    Photo: MercurySable99, CC BY-SA 4.0

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

    111 MPGe

    30.4 kWh/100 mi

    Compare the 2021 Nissan Leaf 40 kWh
  15. 15
    2025 Tesla Model Y
    Photo credit

    Photo: Ethan Llamas, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2020–2027

    111 MPGe

    30.5 kWh/100 mi

    Compare the 2021 Tesla Model Y Performance AWD
  16. 16
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

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

    110 MPGe

    30.6 kWh/100 mi

    Compare the 2021 Tesla Model S Performance
  17. 17
    2022 Mini Cooper SE
    Photo credit

    Photo: Mr.choppers, CC BY-SA 3.0

    Specs only · not reviewed yet · Discontinued (2020–2024)

    108 MPGe

    31.3 kWh/100 mi

    Compare the 2021 Mini Cooper SE
  18. 17
    2024 Nissan Leaf
    Photo credit

    Photo: MercurySable99, CC BY-SA 4.0

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

    108 MPGe

    31.3 kWh/100 mi

    Compare the 2021 Nissan Leaf 62 kWh
  19. 19
    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
  20. 20
    2024 Nissan Leaf
    Photo credit

    Photo: MercurySable99, CC BY-SA 4.0

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

    104 MPGe

    32.3 kWh/100 mi

    Compare the 2021 Nissan Leaf SV/SL 62 kWh
  21. 21
    2023 Ford Mustang Mach-E
    Photo credit

    Photo: Corqe, CC0

    Specs only · not reviewed yet · Model years 2021–2026

    101 MPGe

    33.3 kWh/100 mi

    Compare the 2021 Ford Mustang Mach-E California Route 1 RWD
  22. 22
    2021 Tesla Model S
    Photo credit

    Photo: Dllu, CC BY-SA 4.0

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

    101 MPGe

    33.4 kWh/100 mi

    Compare the 2021 Tesla Model S Plaid
  23. 23
    2023 Ford Mustang Mach-E
    Photo credit

    Photo: Corqe, CC0

    Specs only · not reviewed yet · Model years 2021–2026

    100 MPGe

    33.9 kWh/100 mi

    Compare the 2021 Ford Mustang Mach-E Standard Range RWD
  24. 24
    2025 Volkswagen ID.4
    Photo credit

    Photo: LuvsMG481, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2021–2026

    99 MPGe

    34.0 kWh/100 mi

    Compare the 2021 Volkswagen ID.4 Pro
  25. 25
    2023 Ford Mustang Mach-E
    Photo credit

    Photo: Corqe, CC0

    Specs only · not reviewed yet · Model years 2021–2026

    97 MPGe

    34.6 kWh/100 mi

    Compare the 2021 Ford Mustang Mach-E Extended Range RWD
  26. 25
    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
  27. 27
    2025 Volkswagen ID.4
    Photo credit

    Photo: LuvsMG481, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2021–2026

    97 MPGe

    34.9 kWh/100 mi

    Compare the 2021 Volkswagen ID.4 AWD Pro
  28. 28
    2025 Volkswagen ID.4
    Photo credit

    Photo: LuvsMG481, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2021–2026

    97 MPGe

    35.0 kWh/100 mi

    Compare the 2021 Volkswagen ID.4 1st Edition
  29. 28
    2025 Volkswagen ID.4
    Photo credit

    Photo: LuvsMG481, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2021–2026

    97 MPGe

    35.0 kWh/100 mi

    Compare the 2021 Volkswagen ID.4 Pro S
  30. 30
    2025 Volkswagen ID.4
    Photo credit

    Photo: LuvsMG481, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2021–2026

    93 MPGe

    36.3 kWh/100 mi

    Compare the 2021 Volkswagen ID.4 AWD Pro S
  31. 31
    2023 Ford Mustang Mach-E
    Photo credit

    Photo: Corqe, CC0

    Specs only · not reviewed yet · Model years 2021–2026

    93 MPGe

    36.4 kWh/100 mi

    Compare the 2021 Ford Mustang Mach-E Standard Range AWD
  32. 32
    2024 Polestar Polestar 2
    Photo credit

    Photo: Calreyn88, CC BY-SA 4.0

    Specs only · not reviewed yet · Model years 2021–2025

    92 MPGe

    36.7 kWh/100 mi

    Compare the 2021 Polestar 2
  33. 33
    2023 Ford Mustang Mach-E
    Photo credit

    Photo: Corqe, CC0

    Specs only · not reviewed yet · Model years 2021–2026

    90 MPGe

    37.3 kWh/100 mi

    Compare the 2021 Ford Mustang Mach-E Extended Range AWD
  34. 34
    2023 Ford Mustang Mach-E
    Photo credit

    Photo: Corqe, CC0

    Specs only · not reviewed yet · Model years 2021–2026

    84 MPGe

    40.2 kWh/100 mi

    Compare the 2021 Ford Mustang Mach-E GT
  35. 35
    2022 Porsche Taycan
    Photo credit

    Photo: Harvey Bold, CC0

    Specs only · not reviewed yet · Model years 2020–2026

    79 MPGe

    41.0 kWh/100 mi

    Compare the 2021 Porsche Taycan Performance Battery
  36. 36
    2023 Ford Mustang Mach-E
    Photo credit

    Photo: Corqe, CC0

    Specs only · not reviewed yet · Model years 2021–2026

    82 MPGe

    41.2 kWh/100 mi

    Compare the 2021 Ford Mustang Mach-E GT Performance
  37. 37
    2022 Porsche Taycan
    Photo credit

    Photo: Harvey Bold, CC0

    Specs only · not reviewed yet · Model years 2020–2026

    79 MPGe

    42.4 kWh/100 mi

    Compare the 2021 Porsche Taycan 4S Performance Battery
  38. 38

    Specs only · not reviewed yet · Discontinued (2021–2024)

    79 MPGe

    42.8 kWh/100 mi

    Compare the 2021 Volvo XC40 Recharge Twin
  39. 39
    2019 Audi e-tron
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2019–2023)

    78 MPGe

    43.4 kWh/100 mi

    Compare the 2021 Audi e-tron
  40. 40
    2022 Porsche Taycan
    Photo credit

    Photo: Harvey Bold, CC0

    Specs only · not reviewed yet · Model years 2020–2026

    77 MPGe

    43.5 kWh/100 mi

    Compare the 2021 Porsche Taycan 4S Performance Battery Plus
  41. 41
    2019 Audi e-tron
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2019–2023)

    77 MPGe

    44.0 kWh/100 mi

    Compare the 2021 Audi e-tron Sportback
  42. 42
    2022 Porsche Taycan
    Photo credit

    Photo: Harvey Bold, CC0

    Specs only · not reviewed yet · Model years 2020–2026

    76 MPGe

    44.1 kWh/100 mi

    Compare the 2021 Porsche Taycan 4 Cross Turismo
  43. 43
    2024 Jaguar I-Pace
    Photo credit

    Photo: Ethan Llamas, CC BY-SA 4.0

    Specs only · not reviewed yet · Discontinued (2019–2024)

    76 MPGe

    44.3 kWh/100 mi

    Compare the 2021 Jaguar I-Pace
  44. 44
    2022 Porsche Taycan
    Photo credit

    Photo: Harvey Bold, CC0

    Specs only · not reviewed yet · Model years 2020–2026

    75 MPGe

    44.9 kWh/100 mi

    Compare the 2021 Porsche Taycan Performance Battery Plus
  45. 45
    2022 Porsche Taycan
    Photo credit

    Photo: Harvey Bold, CC0

    Specs only · not reviewed yet · Model years 2020–2026

    75 MPGe

    45.0 kWh/100 mi

    Compare the 2021 Porsche Taycan 4S Cross Turismo
  46. 45
    2022 Porsche Taycan
    Photo credit

    Photo: Harvey Bold, CC0

    Specs only · not reviewed yet · Model years 2020–2026

    73 MPGe

    45.0 kWh/100 mi

    Compare the 2021 Porsche Taycan Turbo
  47. 47
    2022 Porsche Taycan
    Photo credit

    Photo: Harvey Bold, CC0

    Specs only · not reviewed yet · Model years 2020–2026

    73 MPGe

    46.0 kWh/100 mi

    Compare the 2021 Porsche Taycan Turbo S Cross Turismo
  48. 48
    2022 Porsche Taycan
    Photo credit

    Photo: Harvey Bold, CC0

    Specs only · not reviewed yet · Model years 2020–2026

    72 MPGe

    46.9 kWh/100 mi

    Compare the 2021 Porsche Taycan Turbo Cross Turismo
  49. 49
    2022 Porsche Taycan
    Photo credit

    Photo: Harvey Bold, CC0

    Specs only · not reviewed yet · Model years 2020–2026

    70 MPGe

    48.1 kWh/100 mi

    Compare the 2021 Porsche Taycan Turbo S

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 49 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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