State Auto Loan & Sales Tax Calculator
Calculate your auto loan monthly payment and vehicle sales tax for all 50 states. Instant results, no login.
This state does not offer a trade-in tax credit.
California Sales Tax Rules
California does NOT allow trade-in deductions — tax is calculated on the full purchase price before any trade-in. The 7.25% base rate is the minimum; local rates push totals to 10.25%+ in some counties. Highest base rate in the US.
Source: Cal. Rev. & Tax. Code § 6051
Frequently Asked Questions
How does a car loan amortization work?
A car loan amortization schedule breaks down each monthly payment into interest and principal. Early in the loan, a larger portion of your payment goes toward interest. As the loan matures, more of the payment goes toward paying down the principal balance.
What is included in the total cost of an auto loan?
The total cost of an auto loan includes the vehicle purchase price, state and local sales tax, title and registration fees, less any down payment and trade-in value, plus the total interest paid over the life of the loan.
How does vehicle sales tax affect my loan amount?
If you choose to roll the vehicle sales tax into your loan rather than paying it upfront out-of-pocket, it increases the total amount financed. This means you will also pay interest on the sales tax amount over the loan term.
Should I roll sales tax into my loan or pay it upfront?
Paying sales tax upfront is generally recommended because it lowers your total financed amount, saving you money on interest. Rolling it into the loan increases your monthly payment and means you pay interest on a tax.
What loan term minimizes total interest paid?
Choosing the shortest possible loan term (e.g., 36 or 48 months instead of 72 or 84) minimizes the total interest paid. Shorter terms usually have higher monthly payments but lower interest rates and less time for interest to accrue.
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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.