Key Findings
  • Driving in Washington costs an estimated $1,252 per year in fuel, ranking #17 among all states.
  • The average driver in Washington travels 7,859 miles per year, 3,468 miles below the national average.
  • Regular gasoline averages $4.143/gal, with a combined state and federal gas tax of 67.8 cents/gal.
  • An EV driver in Washington would pay roughly $284/year for electricity, saving about 77% compared to gasoline.

01 Quick Facts

MetricValueNational Avg
Annual fuel cost (26 MPG fleet avg)$1,252$1,280
Regular gas price$4.143/gal$2.937/gal
Combined gas tax (state + federal)67.8¢/gal
Miles driven per capita7,85911,327
Electricity rate (residential)11.9¢/kWh16.5¢/kWh
Driving cost rank#17 of 51
FHWA PS-1 (2024), EIA Weekly Retail Gasoline Prices (Feb 2026), FHWA MF-121T (2022), EIA Form 861 (2024)

02 Gas Prices

Regular gasoline in Washington averages $4.143 per gallon, which is $1.21 above the national average of $2.937. Washington ranks #2 among states for gas prices (1 = most expensive).

U.S. Energy Information Administration, Weekly Retail Gasoline Prices, February 2026

03 Gas Taxes

Washington charges a state gasoline excise tax of 49.4 cents per gallon. Combined with the federal excise tax of 18.4 cents per gallon, drivers in Washington pay a total of 67.8 cents per gallon in fuel taxes. This ranks #3 among all states (1 = highest tax).

FHWA, Highway Statistics 2022, Table MF-121T: State Motor-Fuel Tax Rates

At 7,859 miles per year and 26 MPG, the average driver in Washington pays roughly $205 in combined gas taxes annually.

Tax ComponentRate
State gasoline tax49.4¢/gal
Federal gasoline tax18.4¢/gal
Combined total67.8¢/gal
Annual tax burden (at 7,859 mi, 26 MPG)$205
FHWA MF-121T (2022); 26 U.S.C. §4081 (federal excise tax rate)

04 Miles Driven

The average driver in Washington travels 7,859 miles per year, ranking #45 among all states (1 = most miles). This is 3,468 miles below the national average of 11,327.

FHWA, Table PS-1: Selected Measures for Identifying Peer States, 2024

Washington has a total of 60.6 billion vehicle-miles traveled annually across all road types, with a population of 7,705,281 (83% urban).

FHWA PS-1, 2024; U.S. Census Bureau, 2020 Census

05 Annual Fuel Cost

Based on Washington's average gas price and miles driven, here is the estimated annual fuel cost by vehicle type:

Vehicle TypeMPGAnnual Fuel Cost
Compact sedan33$987
Midsize SUV26$1,252
Pickup truck20$1,628
Calculated: VMT per capita ({s['vmt_per_capita']:,} mi) ÷ MPG × gas price (${s['gas_price']:.3f}/gal). MPG estimates from EPA Automotive Trends Report, 2023.

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06 Commuting

The average commute in Washington takes 26.7 minutes one way. About 64.9% of workers drive alone to work, while 4.0% use public transit and 17.3% work from home.

U.S. Census Bureau, ACS 1-Year Estimates, Table S0801: Commuting Characteristics by Sex, 2023
Commute MetricValue
Mean travel time to work26.7 min
Drove alone to work64.9%
Public transit4.0%
Worked from home17.3%
U.S. Census Bureau, ACS 1-Year Estimates, Table S0801, 2023

07 EV Comparison

The average residential electricity rate in Washington is 11.9 cents per kWh, which ranks #47 among states (1 = most expensive). At an average EV efficiency of 3.3 miles per kWh, driving on electricity in Washington costs roughly $0.036 per mile compared to $0.159 per mile for gasoline.

EIA Form 861, Table 5A: Average Monthly Bill — Residential, 2024; EPA average EV efficiency ~3.3 mi/kWh
MetricGasolineElectric
Cost per mile$0.159$0.036
Annual fuel/energy cost (7,859 mi)$1,252$284
Annual savings with EV$968 (77%)
EIA Form 861 (2024); EIA Weekly Retail Gasoline Prices (Feb 2026); EPA Fuel Economy Guide

08 Neighboring States

Here is how Washington's driving costs compare to neighboring states:

StateGas PriceVMT/CapitaAnnual Cost
Washington$4.1437,859$1,252
Oregon$4.1118,826$1,396
Idaho$2.66210,900$1,116

09 Data Sources

  1. Federal Highway Administration: Table PS-1, Selected Measures for Identifying Peer States, 2024. fhwa.dot.gov
  2. Federal Highway Administration: Highway Statistics 2022, Table MF-121T: State Motor-Fuel Tax Rates. fhwa.dot.gov
  3. U.S. Energy Information Administration: Weekly Retail Gasoline Prices by State/Region, February 2026. eia.gov
  4. U.S. Energy Information Administration: Form EIA-861, Table 5A: Average Monthly Bill — Residential, 2024. eia.gov
  5. U.S. Census Bureau: ACS 1-Year Estimates, Table S0801: Commuting Characteristics by Sex, 2023. data.census.gov
  6. U.S. Environmental Protection Agency: Automotive Trends Report, 2023. epa.gov
Disclaimer. This page is for informational purposes only and does not constitute financial, legal, or professional advice. All data is sourced from U.S. government agencies as cited. Gasoline prices change frequently and vary by station, grade, and payment method. Gas tax rates reflect FHWA 2022 data and may have been adjusted since publication. Annual cost estimates use the formula: VMT ÷ MPG × Price per Gallon.