Washington, D.C. Auto Loan & Sales Tax Calculator
Calculate your Washington, D.C. auto loan monthly payment and vehicle sales tax. Washington, D.C. charges Varies by weight & MPG on vehicle purchases.
This state does not offer a trade-in tax credit.
Washington, D.C. Sales Tax Rules
D.C.'s excise tax rate depends on your specific vehicle's weight and MPG — it cannot be expressed as a single rate. Use D.C. DMV's online excise tax estimator at dmv.dc.gov before purchasing.
Source: D.C. Code § 50-2201.03; 18 DCMR § 401.16
Frequently Asked Questions
How is vehicle sales tax calculated in Washington, D.C.?
Washington D.C. does not use a flat percentage sales tax on vehicles. Instead, under D.C. Code § 50-2201.03, the Motor Vehicle Excise Tax (MVET) is calculated based on a combination of the vehicle's unladen weight class and its city fuel economy (MPG). Rates range from 1% to 8% depending on those factors.
Does D.C. reduce the excise tax for trade-ins?
Yes. Washington D.C. allows trade-in and rebate deductions. The taxable base is: Purchase Price minus Trade-In Value minus Rebates. This taxable base cannot go below zero.
Where can I estimate my D.C. vehicle excise tax?
D.C. DMV provides an official online excise tax estimator at dmv.dc.gov. Because the rate depends on your specific vehicle's weight and MPG, the estimator is the most reliable way to calculate what you'll owe before completing a purchase.
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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.