EV vs gas cost in Washington
Current fuel prices: $5.35/gal gasoline (state average, week of 2026-08-31) and 14.91¢/kWh residential electricity (2026-06). Typical EV: 37 kWh/100mi.
Monthly fuel cost — 1,000 miles
Typical EV (home charging)
$55
$0.055/mi
25 MPG gas car
$214
$0.214/mi
30 MPG gas car
$178
$0.178/mi
35 MPG gas car
$153
$0.153/mi
Yearly savings with an EV in Washington
| Compared to | Fuel for 12,000 mi/yr | EV fuel for 12,000 mi/yr | Yearly saving |
|---|---|---|---|
| 25 MPG gas car | $2,567 | $662 | $1,905 |
| 30 MPG gas car | $2,139 | $662 | $1,477 |
| 35 MPG gas car | $1,834 | $662 | $1,172 |
Washington fuel FAQ
Is an EV actually cheaper to fuel in Washington?
Yes. At $5.35/gal, a 30 MPG car costs $0.178 per mile in gas, while a typical EV costs $0.055 per mile charged at home (14.91¢/kWh). That's roughly $0.123 saved per mile — about $1,477 per year at 12,000 miles.
How much gas does the average driver use in Washington?
At 1,000 miles/month in a 30 MPG car, 33 gallons/month (400 gallons/year). The same miles in a typical EV use 370 kWh/month of electricity.
Is Washington gas expensive compared to other states?
Washington ranks #50 of 51 (1 = cheapest gas). The national spread runs from Texas at $3.69 to California at $5.63 per gallon. The higher your gas price, the faster an EV pays for its price premium.