Washington Auto Loan Calculator
Calculate your car payment in Washington with 6.5% state sales tax (up to 10.5% with local). See monthly payment, total interest, and total cost.
How This Calculator Works
Calculation methodology and assumptions
Auto loan calculation for Washington. Washington's state sales tax of 6.5% is applied to the vehicle price minus trade-in value. Local taxes may add up to 4% more. Monthly payment uses standard amortization: P × [r(1+r)^n] / [(1+r)^n - 1].
Key State Information
Washington auto buying facts: State sales tax 6.5%, up to 4% additional local tax. Average car insurance in Washington: $1,680/year. On a $35,000 vehicle, Washington sales tax alone is $2,275.
Frequently Asked Questions
How much is sales tax on a car in Washington?
Washington's state sales tax rate is 6.5%. Local jurisdictions can add up to 4% more, for a maximum combined rate of 10.5%. On a $35,000 car, state sales tax is approximately $2,275.
What is the average car insurance cost in Washington?
The average annual car insurance premium in Washington is $1,680, or about $140/month. This is near the national average.