EV Database

The Electron Motion EV Database covers 1,585 battery electric vehicles from 42 makes, model years 2011 to 2027. Range and efficiency figures are EPA estimates from fueleconomy.gov, published by the U.S. Department of Energy and the EPA.

Efficiency unit: Wh/mi mi/kWh Lower Wh/mi is more efficient.

Model year
Efficiency (Wh/mi)

1,585 vehicles

VehicleYearEfficiency (Wh/mi)EPA range ↑MSRP
BMW i4 eDrive35 Gran Coupe (19 inch Wheels) 2026 308 251 mi Not available
Porsche Taycan 4 Performance Battery 2026 386 251 mi Not available
Rolls-Royce Spectre Black Badge (23 inch Wheels) 2026 483 251 mi Not available
Mercedes-Benz EQB 250 Plus 2025 315 251 mi Not available
Rolls-Royce Spectre Black Badge (23 inch wheels) 2025 483 251 mi Not available
Mercedes-Benz EQB 250 Plus 2024 315 251 mi Not available
Volkswagen ID.4 AWD Pro 2022 334 251 mi Not available
Genesis GV60 AWD Performance 2026 370 252 mi Not available
Porsche Taycan 4S Performance Battery 2026 385 252 mi Not available
Porsche Taycan 4S Performance Battery 2025 385 252 mi Not available
Toyota bZ4X 2025 283 252 mi Not available
BMW i4 eDrive35 Gran Coupe (19 inch Wheels) 2024 308 252 mi Not available
Kia EV6 Long Range AWD (20 inch Wheels) 2024 350 252 mi Not available
Toyota bZ4X 2024 283 252 mi Not available
Kia EV6 Long Range AWD (20 inch tires) 2023 343 252 mi Not available
Toyota bZ4X 2023 283 252 mi Not available
Mercedes-Benz EQE 320 4matic (SUV) 2027 420 253 mi Not available
Kia Niro Electric 2026 300 253 mi $39,700 (Price checked October 8, 2026)
Mercedes-Benz EQE 320 4matic (SUV) 2026 420 253 mi Not available
Rolls-Royce Spectre (23 inch Wheels) 2026 478 253 mi Not available
Volvo EX30 Twin Performance 2026 311 253 mi Not available
BMW i5 M60 xDrive Sedan (19 inch Wheels) 2025 375 253 mi Not available
Kia Niro Electric 2025 300 253 mi Not available
Mercedes-Benz EQE 350 4matic (SUV) 2025 420 253 mi Not available
Rolls-Royce Spectre (23 inch Wheels) 2025 478 253 mi Not available
Volvo EX30 Twin Performance (19 Inch Wheels) 2025 311 253 mi Not available
Audi SQ8 e-tron (20 inch wheels) 2024 461 253 mi Not available
Audi SQ8 Sportback e-tron (20 inch wheels) 2024 461 253 mi Not available
Kia Niro Electric 2024 290 253 mi Not available
Kia Niro Electric 2023 293 253 mi Not available
Tesla Model S AWD – P85D 2016 360 253 mi Not available
Tesla Model S AWD – P85D 2015 360 253 mi Not available
Tesla Model S AWD – P90D 2015 360 253 mi Not available
Audi Q8 Sportback e-tron quattro (21 inch wheels) 2025 455 254 mi Not available
Audi Q8 e-tron quattro (21 inch wheels) 2025 455 254 mi Not available
Polestar 2 Dual Motor Performance Pack 2025 369 254 mi Not available
Volvo XC40 Recharge twin 2024 345 254 mi Not available
Ford Mustang Mach-E Rally 2026 402 255 mi $57,690 (Price checked October 8, 2026)
Polestar 4 Long Range Dual Motor Performance 2026 440 255 mi Not available
Rivian R1S Dual Standard (22in) 2024 480 255 mi Not available
Rivian R1T Dual Standard (22in) 2024 480 255 mi Not available
Volkswagen ID.4 AWD Pro 2023 342 255 mi Not available
Volkswagen ID.4 AWD Pro S 2023 342 255 mi Not available
VinFast VF 8 Eco 2027 463 256 mi Not available
VinFast VF 8 Eco 2025 463 256 mi Not available
BMW i5 M60 xDrive Sedan (19 inch Wheels) 2024 370 256 mi Not available
BMW i4 eDrive35 Gran Coupe (18 inch Wheels) 2023 298 256 mi Not available
Hyundai Ioniq 5 AWD (Long Range) 2022 343 256 mi Not available
Lexus RZ 450e AWD (20 inch wheels – 235/50R20) 2026 312 257 mi Not available
Nissan ARIYA PLATINUM+ e-4ORCE 87kWh 20in. Wheels 2025 388 257 mi Not available

Efficiency is the EPA combined rating and includes charging losses.

Data updated . Download the data (CSV)