Washington · EIA survey Nov 9, 2026
Washington gas and diesel prices
Regular gasoline $4.874 and diesel $6.429 a gallon this week, including taxes. EIA surveys Washington gasoline prices directly.
Price history
Washington vs. its region and the U.S.
| Area | Diesel | Regular | Premium |
|---|---|---|---|
| Washington | — | $4.874 | $5.411 |
| West Coast less California | $6.429 | $4.584 | $5.234 |
| West Coast (PADD 5) | $7.110 | $5.110 | $5.761 |
| United States | $6.127 | $3.995 | $5.013 |
| Seattle city | — | $5.070 | $5.578 |
Other states in West Coast less California
Home heating fuels in Washington
EIA collects residential heating oil and propane prices weekly from October through March (monthly in summer).
Washington fuel taxes
| Gasoline | Diesel | |
|---|---|---|
| State taxes and fees | 60.2¢ | 63.2¢ |
| Federal excise | 18.4¢ | 24.4¢ |
| Total per gallon | 78.6¢ | 87.6¢ |
| Share of this week’s price | 16% | 14% |
| Rank (1 = highest state tax) | 4 of 51 | 5 of 51 |
State rates: Tax Foundation, July 2026 (state statutes); excludes some local and gross-receipts taxes. All states.
Driving electric in Washington
At Washington’s average residential rate, home charging costs 76% less per mile than gasoline. Public fast charging usually costs more. Run your own numbers.
Quick answers
What is the average price of gas in Washington?
$4.874 a gallon for regular in EIA's survey of November 9, 2026, EIA's average for Washington.
What is the price of diesel in Washington?
$6.429 a gallon in EIA's survey of November 9, 2026 (West Coast less California regional average; EIA does not publish a weekly diesel price for Washington alone).
Is fuel in Washington cheaper than the national average?
Diesel is 30.2¢ above the U.S. average, and regular gasoline 87.9¢ above.
What is the gas tax in Washington?
60.2¢ a gallon in state taxes on gasoline and 63.2¢ on diesel (Tax Foundation, July 2026), plus the federal 18.4¢ and 24.4¢: 78.6¢ and 87.6¢ in total.
Is it cheaper to drive electric in Washington?
At 14.63¢ per kWh (EIA residential average) an EV getting 3.5 miles per kWh spends about $4.18 per 100 miles on home charging, against $17.41 for a 28-mpg car at $4.874 gas.
Plan a trip or fleet budget with Washington prices: trip fuel cost · fleet budget. Source: EIA Gasoline and Diesel Fuel Update.