Yes.
According to the Sales Tax Handbook, a 6.5 percent sales tax rate is collected by Washington State. On top of that is a 0.3 percent lease/vehicle sales tax. This means that in total, the state tax on the lease or purchase of a vehicle adds up to 6.8 percent.
Please see the following links:
WA Sales Tax 1
WA Sales Tax 2
Sales Tax Deductible
