Colorado Private Party Vehicle Tax, Tags & Title Calculator
Calculate your true first-year out-of-pocket costs for a private vehicle sale in Colorado. Accurately accounts for 2.9% excise/sales tax, $7.2 certificate of title fee, 1 or 2-year tag registration, and state-specific regulations.
Vehicle & Transaction Details
Enter purchase information to calculate true out-of-pocket costs in Colorado.
Colorado Notice: Colorado taxes the full agreed vehicle price — trade-ins do not reduce the tax base on private-party sales.
Estimates only — not tax or legal advice. Verify with Colorado Department of Revenue (CDOR) and your county motor vehicle office.
Colorado state sales tax is 2.9%; local county, city, and RTD taxes significantly increase total tax depending on where you register.
Trade-in tax deductions are restricted to purchases from licensed dealers; private sales are taxed on the full purchase price.
An annual Specific Ownership Tax (SOT) personal property tax applies at registration, calculated from vehicle MSRP and age.
County & Local Tax Note: Colorado counties, cities, and special districts (such as RTD) levy local sales and use taxes ranging from 1.0% to over 6.0%, bringing total effective sales tax to between 4.0% and 9.5% depending on your residence. An annual Specific Ownership Tax (SOT) also applies at registration based on vehicle MSRP.
First-Year Out-of-Pocket Cost
Colorado
Sales/Excise Tax + Title Certificate + Tags & Registration
Calculated at 2.9% on taxable base of $15,000
Standard state title certificate issuance
Unfinanced / cash purchase (waived $0.00)
Base license plates & tags
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Colorado Private Vehicle Sales & Tag Rules
Essential statutory answers regarding MVA excise taxes, titling requirements, and tag renewal fees.
Colorado imposes a 2.9% state sales and use tax on private party motor vehicle purchases. However, local city, county, and special district taxes (like RTD) usually add 2% to 6%, making total sales tax between 4.0% and 9.5% in most areas.