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

Vehicle ↑YearEfficiency (Wh/mi)EPA rangeMSRP
Rivian R1T Performance Dual Max (21in) 2024 399 410 mi Not available
Rivian R1T Performance Dual Max (22in) 2024 433 380 mi Not available
Rivian R1T Performance Dual Standard Plus (21in) 2024 438 315 mi Not available
Rivian R1T Performance Dual Standard Plus (22in) 2024 467 300 mi Not available
Rivian R1T Quad Large (20in) 2024 524 289 mi Not available
Rivian R1T Quad Large (21in) 2024 461 328 mi Not available
Rivian R1T Quad Large (22in) 2024 494 303 mi Not available
Rivian R1T (20 inch wheels) 2023 524 289 mi Not available
Rivian R1T (21 inch wheels) 2023 461 328 mi Not available
Rivian R1T (22 inch wheels) 2023 494 303 mi Not available
Rivian R1T 21 inch Dual Large 2023 432 352 mi Not available
Rivian R1T 21 inch Performance Dual Large 2023 432 352 mi Not available
Rivian R1T 22 inch Dual Large 2023 445 341 mi Not available
Rivian R1T 22 inch Performance Dual Large 2023 445 341 mi Not available
Rivian R1T 2022 481 314 mi Not available
Rivian R2 Performance AWD (20in AT) 2027 341 307 mi $57,990 (Price checked October 8, 2026)
Rivian R2 Performance AWD (21in) 2027 322 330 mi $57,990 (Price checked October 8, 2026)
Rolls-Royce Spectre (22 inch wheels) 2027 412 324 mi Not available
Rolls-Royce Spectre (23 inch Wheels) 2027 432 308 mi Not available
Rolls-Royce Spectre Black Badge (22 inch wheels) 2027 412 324 mi Not available
Rolls-Royce Spectre Black Badge (23 inch wheels) 2027 432 308 mi Not available
Rolls-Royce Spectre (22 inch Wheels) 2026 437 277 mi Not available
Rolls-Royce Spectre (23 inch Wheels) 2026 478 253 mi Not available
Rolls-Royce Spectre Black Badge (22 inch Wheels) 2026 454 266 mi Not available
Rolls-Royce Spectre Black Badge (23 inch Wheels) 2026 483 251 mi Not available
Rolls-Royce Spectre (22 inch wheels) 2025 437 277 mi Not available
Rolls-Royce Spectre (23 inch Wheels) 2025 478 253 mi Not available
Rolls-Royce Spectre Black Badge (22 inch wheels) 2025 454 266 mi Not available
Rolls-Royce Spectre Black Badge (23 inch wheels) 2025 483 251 mi Not available
Rolls-Royce Spectre (22 inch wheels) 2024 415 291 mi Not available
Rolls-Royce Spectre (23 inch wheels) 2024 455 266 mi Not available
Rolls-Royce Spectre Black Badge (22 inch wheels) 2024 432 280 mi Not available
Rolls-Royce Spectre Black Badge (23 inch wheels) 2024 459 264 mi Not available
Scion iQ EV 2013 280 38 mi Not available
smart EQ fortwo (convertible) 2019 330 57 mi Not available
smart EQ fortwo (coupe) 2019 310 58 mi Not available
smart fortwo electric drive convertible 2018 330 57 mi Not available
smart fortwo electric drive coupe 2018 310 58 mi Not available
smart fortwo electric drive convertible 2017 330 57 mi Not available
smart fortwo electric drive coupe 2017 310 58 mi Not available
smart fortwo electric drive convertible 2016 315 68 mi Not available
smart fortwo electric drive coupe 2016 315 68 mi Not available
smart fortwo electric drive convertible 2015 315 68 mi Not available
smart fortwo electric drive coupe 2015 315 68 mi Not available
smart fortwo electric drive convertible 2014 320 68 mi Not available
smart fortwo electric drive coupe 2014 320 68 mi Not available
smart fortwo electric drive convertible 2013 320 68 mi Not available
smart fortwo electric drive coupe 2013 320 68 mi Not available
smart fortwo electric drive cabriolet 2011 390 63 mi Not available
smart fortwo electric drive coupe 2011 390 63 mi Not available

Efficiency is the EPA combined rating and includes charging losses.

Data updated . Download the data (CSV)