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 Higher mi/kWh is more efficient.

Model year
Efficiency (mi/kWh)

1,585 vehicles

Vehicle ↑YearEfficiency (mi/kWh)EPA rangeMSRP
Rivian R1T Performance Dual Max (21in) 2024 2.50 410 mi Not available
Rivian R1T Performance Dual Max (22in) 2024 2.31 380 mi Not available
Rivian R1T Performance Dual Standard Plus (21in) 2024 2.28 315 mi Not available
Rivian R1T Performance Dual Standard Plus (22in) 2024 2.14 300 mi Not available
Rivian R1T Quad Large (20in) 2024 1.91 289 mi Not available
Rivian R1T Quad Large (21in) 2024 2.17 328 mi Not available
Rivian R1T Quad Large (22in) 2024 2.03 303 mi Not available
Rivian R1T (20 inch wheels) 2023 1.91 289 mi Not available
Rivian R1T (21 inch wheels) 2023 2.17 328 mi Not available
Rivian R1T (22 inch wheels) 2023 2.03 303 mi Not available
Rivian R1T 21 inch Dual Large 2023 2.31 352 mi Not available
Rivian R1T 21 inch Performance Dual Large 2023 2.31 352 mi Not available
Rivian R1T 22 inch Dual Large 2023 2.25 341 mi Not available
Rivian R1T 22 inch Performance Dual Large 2023 2.25 341 mi Not available
Rivian R1T 2022 2.08 314 mi Not available
Rivian R2 Performance AWD (20in AT) 2027 2.93 307 mi $57,990 (Price checked October 8, 2026)
Rivian R2 Performance AWD (21in) 2027 3.11 330 mi $57,990 (Price checked October 8, 2026)
Rolls-Royce Spectre (22 inch wheels) 2027 2.43 324 mi Not available
Rolls-Royce Spectre (23 inch Wheels) 2027 2.32 308 mi Not available
Rolls-Royce Spectre Black Badge (22 inch wheels) 2027 2.43 324 mi Not available
Rolls-Royce Spectre Black Badge (23 inch wheels) 2027 2.32 308 mi Not available
Rolls-Royce Spectre (22 inch Wheels) 2026 2.29 277 mi Not available
Rolls-Royce Spectre (23 inch Wheels) 2026 2.09 253 mi Not available
Rolls-Royce Spectre Black Badge (22 inch Wheels) 2026 2.20 266 mi Not available
Rolls-Royce Spectre Black Badge (23 inch Wheels) 2026 2.07 251 mi Not available
Rolls-Royce Spectre (22 inch wheels) 2025 2.29 277 mi Not available
Rolls-Royce Spectre (23 inch Wheels) 2025 2.09 253 mi Not available
Rolls-Royce Spectre Black Badge (22 inch wheels) 2025 2.20 266 mi Not available
Rolls-Royce Spectre Black Badge (23 inch wheels) 2025 2.07 251 mi Not available
Rolls-Royce Spectre (22 inch wheels) 2024 2.41 291 mi Not available
Rolls-Royce Spectre (23 inch wheels) 2024 2.20 266 mi Not available
Rolls-Royce Spectre Black Badge (22 inch wheels) 2024 2.32 280 mi Not available
Rolls-Royce Spectre Black Badge (23 inch wheels) 2024 2.18 264 mi Not available
Scion iQ EV 2013 3.57 38 mi Not available
smart EQ fortwo (convertible) 2019 3.03 57 mi Not available
smart EQ fortwo (coupe) 2019 3.23 58 mi Not available
smart fortwo electric drive convertible 2018 3.03 57 mi Not available
smart fortwo electric drive coupe 2018 3.23 58 mi Not available
smart fortwo electric drive convertible 2017 3.03 57 mi Not available
smart fortwo electric drive coupe 2017 3.23 58 mi Not available
smart fortwo electric drive convertible 2016 3.17 68 mi Not available
smart fortwo electric drive coupe 2016 3.17 68 mi Not available
smart fortwo electric drive convertible 2015 3.17 68 mi Not available
smart fortwo electric drive coupe 2015 3.17 68 mi Not available
smart fortwo electric drive convertible 2014 3.13 68 mi Not available
smart fortwo electric drive coupe 2014 3.13 68 mi Not available
smart fortwo electric drive convertible 2013 3.13 68 mi Not available
smart fortwo electric drive coupe 2013 3.13 68 mi Not available
smart fortwo electric drive cabriolet 2011 2.56 63 mi Not available
smart fortwo electric drive coupe 2011 2.56 63 mi Not available

Efficiency is the EPA combined rating and includes charging losses.

Data updated . Download the data (CSV)