EV vs gas cost in Illinois
Regular gas is $4.24 a gallon (Midwest average, week of 2026-10-19) and home electricity is 19.32¢/kWh (2026-08). A typical EV (31.5 kWh per 100 miles) saves about $965 a year against a 30 MPG car.
Gas is flat since last week. Prices for the week of October 19, 2026.
Fuel cost for 1,000 miles a month
| Car | Per mile | Per month | Per year | EV saves per year |
|---|---|---|---|---|
| Typical EV, home charging | $0.061 | $61 | $730 | – |
| 25 MPG gas car | $0.169 | $169 | $2,034 | $1,303 |
| 30 MPG gas car | $0.141 | $141 | $1,695 | $965 |
| 35 MPG gas car | $0.121 | $121 | $1,453 | $722 |
Questions about EV vs gas in Illinois
Is an EV cheaper to fuel in Illinois?
Yes. At $4.24/gal a 30 MPG car costs $0.141 per mile in gas. A typical EV charged at home costs $0.061 per mile at 19.32¢/kWh. Over 12,000 miles that is $965 a year.
How much fuel does a typical driver use?
At 1,000 miles a month a 30 MPG car burns 33 gallons a month, 400 a year. A typical EV uses 315 kWh of electricity for the same miles.
Is gas in Illinois expensive compared with other states?
Illinois ranks #14 of 51, where 1 is the cheapest gas. Prices run from $3.81 in Texas to $6.15 in California. The higher the gas price, the sooner an EV's purchase premium pays back.