kWh Index

Charging at home, ranked by kWh/100mi

904 charging at home from 35 brands, collapsed from 1,192 published configurations. Each priced at the national average rate, so the ranking is what it costs to run rather than what it says on the box.

Ranked on kilowatt-hours per 100 miles, where lower is better. We price the load; we do not review the car. Real-world range and charging curves are a different measurement that this data does not contain.

ModelkWh/100miCosts to run
Lucid 2025 Air Pure RWD with 19 inch wheels23.14$4.24 per 100 miles
Lucid 2026 Air Pure RWD with 19 inch wheels23.14$4.24 per 100 miles
Hyundai 2023 Ioniq 6 Long range RWD23.57 (23.57–29.00 across 2 configurations)$4.32 per 100 miles
Hyundai 2024 Ioniq 6 Long range RWD24.00 (24.00–29.00 across 2 configurations)$4.40 per 100 miles
Lucid 2023 Air Pure AWD with 19 inch wheels24.06$4.41 per 100 miles
Lucid 2023 Air Touring AWD with 19 inch wheels24.06$4.41 per 100 miles
Tesla 2026 Model 3 Standard RWD24.30$4.46 per 100 miles
Tesla 2026 Model Y Standard RWD24.35 (24.35–25.69 across 2 configurations)$4.46 per 100 miles
Lucid 2024 Air Pure RWD with 19 inch wheels24.58$4.51 per 100 miles
Tesla 2025 Model 3 Long Range RWD24.64$4.52 per 100 miles
Tesla 2024 Model 3 Long Range RWD24.64$4.52 per 100 miles
Tesla 2026 Model 3 Premium RWD24.64$4.52 per 100 miles
Hyundai 2023 Ioniq 6 Standard Range RWD25.00$4.59 per 100 miles
Hyundai 2024 Ioniq 6 Standard Range RWD25.00$4.59 per 100 miles
Hyundai 2025 Ioniq 6 Standard Range25.00$4.59 per 100 miles
Lucid 2026 Air Touring AWD with 19 inch wheels25.19$4.62 per 100 miles
Tesla 2026 Model Y Long Range RWD25.23$4.63 per 100 miles
Lucid 2024 Air Touring AWD with 19 inch wheels25.30$4.64 per 100 miles
Tesla 2024 Model 3 RWD25.45$4.67 per 100 miles
Tesla 2023 Model 3 RWD25.49$4.68 per 100 miles
Toyota 2026 bZ25.50 (25.50–25.84 across 2 configurations)$4.68 per 100 miles
Lucid 2025 Air Touring AWD with 19 inch wheels25.58$4.69 per 100 miles
Tesla 2025 Model 3 Long Range RWD-I25.65$4.70 per 100 miles
Subaru 2026 Uncharted25.66$4.71 per 100 miles
Subaru 2027 Uncharted25.66$4.71 per 100 miles
Lucid 2023 Air G Touring XR AWD with 19 inch wheels25.71$4.72 per 100 miles
Tesla 2023 Model 3 Long Range AWD25.82$4.74 per 100 miles
Tesla 2024 Model 3 Long Range AWD25.84$4.74 per 100 miles
Lucid 2024 Air Pure RWD with 20 inch wheels25.93$4.76 per 100 miles
Hyundai 2025 Ioniq 6 RWD26.00 (26.00–29.77 across 2 configurations)$4.77 per 100 miles
Lucid 2025 Air Pure RWD with 20 inch wheels26.10$4.79 per 100 miles
Lucid 2026 Air Pure RWD with 20 inch wheels26.10$4.79 per 100 miles
Lucid 2024 Air G Touring XR AWD with19 inch wheels26.14$4.79 per 100 miles
Tesla 2024 Model 3 Long Range AWD-E26.38$4.84 per 100 miles
Tesla 2025 Model 3 Long Range AWD26.38$4.84 per 100 miles
Tesla 2026 Model 3 Premium AWD26.38$4.84 per 100 miles
Lucid 2025 Air G Touring XR AWD with 19 inch wheels26.43$4.85 per 100 miles
Lucid 2026 Air G Touring XR AWD with19 inch wheels26.43$4.85 per 100 miles
Audi 2027 A6 e-tron ultra26.46$4.85 per 100 miles
Tesla 2026 Model Y Standard AWD26.50$4.86 per 100 miles
Lexus 2026 RZ 350e FWD26.60 (26.60–28.13 across 2 configurations)$4.88 per 100 miles
Lexus 2025 RZ 300e26.76 (26.76–31.00 across 2 configurations)$4.91 per 100 miles
Tesla 2025 Model Y Long Range RWD26.86$4.93 per 100 miles
Toyota 2026 bZ LIMITED26.86 (26.86–27.49 across 2 configurations)$4.93 per 100 miles
Lexus 2024 RZ 300e27.00 (27.00–31.49 across 2 configurations)$4.95 per 100 miles
Mercedes-Benz 2026 CLA250 Plus with EQ Tech27.00 (27.00–31.00 across 2 configurations)$4.95 per 100 miles
Mercedes-Benz 2027 CLA250 Plus with EQ Tech27.00 (27.00–31.00 across 2 configurations)$4.95 per 100 miles
Lexus 2026 ES 350e27.00 (27.00–27.52 across 2 configurations)$4.95 per 100 miles
Tesla 2025 Model S27.13$4.98 per 100 miles
Tesla 2026 Model S27.13$4.98 per 100 miles
Hyundai 2024 Ioniq 6 Long range AWD27.23 (27.23–33.00 across 2 configurations)$4.99 per 100 miles
Lucid 2026 Air Touring AWD with 20 inch wheels27.31$5.01 per 100 miles
Lucid 2024 Air Touring AWD with 20 inch wheels27.45$5.03 per 100 miles
Hyundai 2023 Kona Electric27.48$5.04 per 100 miles
Tesla 2026 Model Y Long Range AWD27.50$5.04 per 100 miles
Tesla 2023 Model Y AWD27.51$5.05 per 100 miles
Tesla 2023 Model Y Long Range AWD27.63$5.07 per 100 miles
Tesla 2024 Model S27.70$5.08 per 100 miles
Lucid 2025 Air Touring AWD with 20 inch wheels27.75$5.09 per 100 miles
Lucid 2023 Air G Touring XR AWD with 20 inch wheels27.79$5.10 per 100 miles

Computed from electricity at 18.34¢/kWh, the EIA average for US in June 2026. A kilowatt-hour is 3412 BTU. This is a rate times a rating, not a prediction of your bill.

By brand

Rivian (115) · Porsche (72) · Audi (53) · Tesla (53) · BMW (49) · Lucid (49) · Mercedes-Benz (45) · Hyundai (40) · Ford (38) · Kia (37) · Chevrolet (35) · Nissan (32) · Cadillac (31) · Volvo (29) · Genesis (25) · Dodge (22) · Volkswagen (22) · Polestar (21) · Subaru (20) · Toyota (20) · GMC (19) · Vinfast (13) · Lexus (10) · Honda (9) · Maserati (7) · Acura (6) · Fiat (6) · Rolls-Royce (6) · MINI (5) · Bugatti Rimac (4) · Jeep (4) · Fisker (3) · Jaguar (2) · Lordstown (1) · Mazda (1)

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Source: fueleconomy.gov, published by the U.S. Department of Energy and the U.S. EPA. Public domain. Consumption is the EPA’s combined figure; real-world consumption varies with speed, temperature and terrain.