EV vs gas cost in Hawaii
Regular gas is $5.56 a gallon (West Coast average, week of 2026-10-26) and home electricity is 47.18¢/kWh (2026-08). A typical EV (31.5 kWh per 100 miles) saves about $440 a year against a 30 MPG car.
Gas is down 14.1¢ since last week. Prices for the week of October 26, 2026.
Fuel cost for 1,000 miles a month
| Car | Per mile | Per month | Per year | EV saves per year |
|---|---|---|---|---|
| Typical EV, home charging | $0.149 | $149 | $1,783 | – |
| 25 MPG gas car | $0.222 | $222 | $2,668 | $885 |
| 30 MPG gas car | $0.185 | $185 | $2,224 | $440 |
| 35 MPG gas car | $0.159 | $159 | $1,906 | $123 |
Questions about EV vs gas in Hawaii
Is an EV cheaper to fuel in Hawaii?
Yes. At $5.56/gal a 30 MPG car costs $0.185 per mile in gas. A typical EV charged at home costs $0.149 per mile at 47.18¢/kWh. Over 12,000 miles that is $440 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 Hawaii expensive compared with other states?
Hawaii ranks #48 of 51, where 1 is the cheapest gas. Prices run from $3.74 in Texas to $6.00 in California. The higher the gas price, the sooner an EV's purchase premium pays back.