Ranking

Most efficient EVs: Sedan, 2027 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 23. Values last checked October 24, 2026.

23 of 23 EVs have a published EPA efficiency figure

Average 31.2 kWh/100 mi

  1. 1
    2022 Lucid Air
    Photo credit

    Photo: Mr.choppers, CC BY-SA 3.0

    Specs only · not reviewed yet

    146 MPGe

    23.1 kWh/100 mi

    Compare the 2027 Lucid Air Pure RWD
  2. 2
    2022 Lucid Air
    Photo credit

    Photo: Mr.choppers, CC BY-SA 3.0

    Specs only · not reviewed yet

    134 MPGe

    25.2 kWh/100 mi

    Compare the 2027 Lucid Air Touring AWD
  3. 3
    2022 Lucid Air
    Photo credit

    Photo: Mr.choppers, CC BY-SA 3.0

    Specs only · not reviewed yet

    128 MPGe

    26.4 kWh/100 mi

    Compare the 2027 Lucid Air Grand Touring AWD
  4. 4

    Specs only · not reviewed yet

    127 MPGe

    26.5 kWh/100 mi

    Compare the 2027 Audi A6 e-tron ultra
  5. 5

    Specs only · not reviewed yet

    126 MPGe

    27.0 kWh/100 mi

    Compare the 2027 Mercedes CLA with EQ Technology 250+ (R22)
  6. 6

    Specs only · not reviewed yet

    117 MPGe

    28.7 kWh/100 mi

    Compare the 2027 Audi A6 e-tron quattro ultra
  7. 7
    2024 BMW i5
    Photo credit

    Photo: Calreyn88, CC BY-SA 4.0

    Specs only · not reviewed yet

    116 MPGe

    28.9 kWh/100 mi

    Compare the 2027 BMW i5 eDrive40
  8. 8

    Specs only · not reviewed yet

    118 MPGe

    29.0 kWh/100 mi

    Compare the 2027 Mercedes CLA with EQ Technology 350 4MATIC
  9. 9
    2022 Mercedes-Benz EQS
    Photo credit

    Photo: Mr.choppers, CC BY-SA 3.0

    Specs only · not reviewed yet

    114 MPGe

    29.6 kWh/100 mi

    Compare the 2027 Mercedes EQS 500 4MATIC
  10. 10
    2022 Mercedes-Benz EQS
    Photo credit

    Photo: Mr.choppers, CC BY-SA 3.0

    Specs only · not reviewed yet

    112 MPGe

    30.0 kWh/100 mi

    Compare the 2027 Mercedes EQS 580 4MATIC
  11. 11
    2019 Tesla Model 3
    Photo credit

    Photo: Vauxford, CC BY-SA 4.0

    Specs only · not reviewed yet

    111 MPGe

    30.2 kWh/100 mi

    Compare the 2027 Tesla Model 3 Performance AWD
  12. 12

    Specs only · not reviewed yet

    111 MPGe

    30.3 kWh/100 mi

    Compare the 2027 Audi A6 e-tron
  13. 13

    Specs only · not reviewed yet

    109 MPGe

    31.0 kWh/100 mi

    Compare the 2027 Mercedes CLA with EQ Technology 250+
  14. 14

    Specs only · not reviewed yet

    105 MPGe

    32.0 kWh/100 mi

    Compare the 2027 Audi A6 e-tron quattro
  15. 15
    2022 Lucid Air
    Photo credit

    Photo: Mr.choppers, CC BY-SA 3.0

    Specs only · not reviewed yet

    105 MPGe

    32.1 kWh/100 mi

    Compare the 2027 Lucid Air Sapphire AWD
  16. 16

    Specs only · not reviewed yet

    103 MPGe

    32.7 kWh/100 mi

    Compare the 2027 Audi S6 e-tron
  17. 17
    2024 BMW i5
    Photo credit

    Photo: Calreyn88, CC BY-SA 4.0

    Specs only · not reviewed yet

    100 MPGe

    33.8 kWh/100 mi

    Compare the 2027 BMW i5 xDrive40
  18. 18
    2024 BMW i5
    Photo credit

    Photo: Calreyn88, CC BY-SA 4.0

    Specs only · not reviewed yet

    99 MPGe

    34.1 kWh/100 mi

    Compare the 2027 BMW i5 M60 xDrive
  19. 19
    2023 BMW i7
    Photo credit

    Photo: Wikisympathisant, CC BY-SA 4.0

    Specs only · not reviewed yet

    95 MPGe

    35.5 kWh/100 mi

    Compare the 2027 BMW i7 xDrive50
  20. 20
    2023 BMW i7
    Photo credit

    Photo: Wikisympathisant, CC BY-SA 4.0

    Specs only · not reviewed yet

    92 MPGe

    36.5 kWh/100 mi

    Compare the 2027 BMW i7 xDrive60
  21. 21
    2024 Audi S e-tron GT
    Photo credit

    Photo: Alexander Migl, CC BY-SA 4.0

    Specs only · not reviewed yet

    90 MPGe

    37.6 kWh/100 mi

    Compare the 2027 Audi S e-tron GT
  22. 22
    2023 Hyundai Ioniq 6
    Photo credit

    Photo: Kevauto, CC BY-SA 4.0

    Specs only · not reviewed yet

    88 MPGe

    37.9 kWh/100 mi

    Compare the 2027 Hyundai Ioniq 6 N
  23. 23
    2021 Audi RS e-tron GT
    Photo credit

    Photo: Calreyn88, CC BY-SA 4.0

    Specs only · not reviewed yet

    84 MPGe

    40.2 kWh/100 mi

    Compare the 2027 Audi RS e-tron GT 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 23 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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