Ranking

Most efficient EVs: Sedan, 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 13. Values last checked October 24, 2026.

Year

Body

13 of 13 EVs have a published EPA efficiency figure

Average 36.4 kWh/100 mi

1
Photo credit
Photo: Vauxford, CC BY-SA 4.0
2021 Tesla Model 3 Standard Range Plus RWD
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
Photo credit
Photo: Vauxford, CC BY-SA 4.0
2021 Tesla Model 3 Long Range AWD
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
Photo credit
Photo: Dllu, CC BY-SA 4.0
2021 Tesla Model S Long Range
Specs only · not reviewed yet · Discontinued (2012–2026)
120 MPGe
28.2 kWh/100 mi
Compare the 2021 Tesla Model S Long Range
4
Photo credit
Photo: Vauxford, CC BY-SA 4.0
2021 Tesla Model 3 Performance AWD
Specs only · not reviewed yet · Model years 2017–2027
113 MPGe
30.0 kWh/100 mi
Compare the 2021 Tesla Model 3 Performance AWD
5
Photo credit
Photo: Dllu, CC BY-SA 4.0
2021 Tesla Model S Performance
Specs only · not reviewed yet · Discontinued (2012–2026)
110 MPGe
30.6 kWh/100 mi
Compare the 2021 Tesla Model S Performance
6
Photo credit
Photo: Dllu, CC BY-SA 4.0
2021 Tesla Model S Plaid
Specs only · not reviewed yet · Discontinued (2012–2026)
101 MPGe
33.4 kWh/100 mi
Compare the 2021 Tesla Model S Plaid
7
Photo credit
Photo: Calreyn88, CC BY-SA 4.0
2021 Polestar 2
Specs only · not reviewed yet · Model years 2021–2025
92 MPGe
36.7 kWh/100 mi
Compare the 2021 Polestar 2
8
Photo credit
Photo: Harvey Bold, CC0
2021 Porsche Taycan Performance Battery
Specs only · not reviewed yet · Model years 2020–2026
79 MPGe
41.0 kWh/100 mi
Compare the 2021 Porsche Taycan Performance Battery
9
Photo credit
Photo: Harvey Bold, CC0
2021 Porsche Taycan 4S Performance Battery
Specs only · not reviewed yet · Model years 2020–2026
79 MPGe
42.4 kWh/100 mi
Compare the 2021 Porsche Taycan 4S Performance Battery
10
Photo credit
Photo: Harvey Bold, CC0
2021 Porsche Taycan 4S Performance Battery Plus
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
11
Photo credit
Photo: Harvey Bold, CC0
2021 Porsche Taycan Performance Battery Plus
Specs only · not reviewed yet · Model years 2020–2026
75 MPGe
44.9 kWh/100 mi
Compare the 2021 Porsche Taycan Performance Battery Plus
12
Photo credit
Photo: Harvey Bold, CC0
2021 Porsche Taycan Turbo
Specs only · not reviewed yet · Model years 2020–2026
73 MPGe
45.0 kWh/100 mi
Compare the 2021 Porsche Taycan Turbo
13
Photo credit
Photo: Harvey Bold, CC0
2021 Porsche Taycan Turbo S
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 13 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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How this list is made

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