Washington Auto Loan & Sales Tax Calculator

Calculate your Washington auto loan monthly payment and vehicle sales tax. Washington charges 6.5% on vehicle purchases.

Washington Sales Tax Rules

Washington charges 6.5% state sales tax. Trade-in credit applies. Local taxes vary significantly — Seattle area rates reach 10.25% or more. Washington also imposes a statewide 1.8% Retail Sales Tax on vehicle sales specifically in addition to local taxes.

Source: Wash. Rev. Code § 82.08.020

Frequently Asked Questions

What is the vehicle sales tax rate in Washington?

Washington charges a 6.5% state sales tax on vehicle purchases under Wash. Rev. Code § 82.08.020. Local city and county taxes are added on top — Seattle and the Puget Sound area can reach 10.1–10.25% combined.

Does Washington reduce sales tax for trade-ins?

Yes. Washington allows a trade-in credit — the value of your trade-in vehicle reduces the taxable purchase price before the state and local sales taxes are applied.

Does Seattle have higher vehicle sales tax than the rest of Washington?

Yes. The Seattle metro area has some of the highest combined sales tax rates in the state, reaching 10.1–10.25% combined when all local taxes are included. Rural Washington counties may have combined rates closer to 7.5–8.5%.

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This tool is for informational and educational reference only and does not constitute financial advice. Calculations are estimates based on the inputs provided and state average data. Actual results will vary. Always consult a licensed financial advisor before making financial decisions.

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