EV vs Gas Car Savings Calculator

Compare total 5-year cost of an EV vs the gas equivalent — fuel, maintenance, depreciation.

Electric vehicle

Purchase price ($)

MPGe / efficiency

kWh / mile

Electricity ($/kWh)

Gas vehicle

Purchase price ($)

Combined MPG

Miles / year

Hold period (years)

EV resale (% of MSRP)

Gas resale (% of MSRP)

EV fuel/yr

$576

Gas fuel/yr (at $3.50/gal)

$135,000

EV CO₂ / yr

1386 kg

Gas CO₂ / yr

3333 kg

EV total (5-yr)

$21,780

Resale $23,100

Gas total (5-yr)

$26,363

Resale $16,200

EV wins by $4,583 over 5 years ($382 per month).

CO₂ math uses the US grid average (0.385 kg/kWh). Lifetime CO₂ avoided over 5 years: 9733 kg.

About this tool

Enter the EV purchase price, MPGe, electricity rate, gas-counterpart MPG and gas price, expected miles/year, and resale assumptions. Get the 5-year total cost of ownership for both, the break-even mileage, and the CO₂ saved. The r/electricvehicles recurring 'EV vs gas, when does it pay off' question.

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