Enter your EV and gas vehicle details, your state and driving habits, then calculate. Formula: Annual Savings = Gas Annual Cost − EV Annual Cost, based on fuel and maintenance per mile.
Your Electric Vehicle
Optional — select your EV to auto-fill its rated efficiency below, or skip this and enter your own value.
EV efficiency figures are typical published specifications per trim and may vary by model year, options, drivetrain, wheel size, and software updates. Always verify your exact vehicle's specs against your owner's manual, window sticker, or manufacturer's site. Diesel is included as a comparable liquid fuel — switching Fuel Type changes both the price and the CO2 factor used below, since diesel and gasoline don't produce the same emissions per gallon.
Location & Driving Habits
Select your state to auto-fill typical electricity and gas prices, or skip this and enter your own. Tap the ⓘ next to a field for more detail.
These factors matter, but the calculator uses reasonable defaults if you leave this closed — 100% home charging and DOE-pattern maintenance estimates. Open it to dial in your own numbers.
Leave this closed for a fuel-and-maintenance-only comparison. Open it and enter both purchase prices to also see total cost of ownership over your selected comparison period and a break-even year.
Your Results
Running cost (plus purchase price, if entered) added up year by year for your selected comparison period. Where the two lines cross is your break-even point.
Fuel, maintenance, and total annual cost, side by side for each vehicle.
Total Cost of Ownership & Break-Even
Results are for reference and estimation only. Actual costs vary with your utility plan, local gas prices, driving behavior, and vehicle-specific factors. See full disclaimer below.