EV vs gas cost in Hawaii
Regular gas is $5.70 a gallon (West Coast average, week of 2026-10-19) and home electricity is 47.18¢/kWh (2026-08). A typical EV (31.5 kWh per 100 miles) saves about $497 a year against a 30 MPG car.
Gas is down 7.9¢ 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 | $0.149 | $149 | $1,783 | – |
| 25 MPG gas car | $0.228 | $228 | $2,736 | $953 |
| 30 MPG gas car | $0.190 | $190 | $2,280 | $497 |
| 35 MPG gas car | $0.163 | $163 | $1,954 | $171 |
Questions about EV vs gas in Hawaii
Is an EV cheaper to fuel in Hawaii?
Yes. At $5.70/gal a 30 MPG car costs $0.190 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 $497 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 $3.81 in Texas to $6.15 in California. The higher the gas price, the sooner an EV's purchase premium pays back.