California Out-the-Door Price Calculator

The out-the-door price is the total amount required to complete the purchase before applying a trade-in's equity, cash down, or financing. It combines the agreed vehicle price with seller charges, California sales or use tax, and supported government fees.

OTD is useful because an advertised price can omit dealer-controlled charges, optional products, and government costs. Comparing written OTD totals helps buyers evaluate two offers on the same basis.

Out-the-door price = adjusted vehicle price + entered seller charges and add-ons + tax + supported DMV fees

The live engine can combine the following supported items for an ordinary private passenger vehicle:

• Vehicle selling price after a qualifying seller discount
• Verified taxable dealer charges, including a separately entered taxable documentation fee
• Optional add-ons entered by the buyer
• Sales or use tax at the selected California registration-location rate
• Supported registration, CHP, estimated VLF, and TIF components
• The $15 ownership-transfer fee for a supported used California-titled vehicle

Optional add-ons are included in the OTD total, but the calculator does not assume that every add-on is taxable. Put an add-on in the verified taxable-charge field only when its California tax treatment is known, and do not enter the same amount twice.

California starts with a 7.25% statewide sales and use tax base. Applicable district taxes can raise the total percentage for the city or county area where the vehicle will be registered. The engine uses the official CDTFA location table effective October 1, 2026 and does not infer a rate from the dealer's address or a ZIP code.

The taxable amount begins with vehicle price, subtracts a genuine qualifying seller discount, and adds charges identified as taxable. For a detailed location-only estimate, use the California car sales tax calculator.

California generally does not provide a sales-tax trade-in credit. A $10,000 trade allowance on a $32,000 vehicle therefore does not turn the taxable selling price into $22,000. The calculator keeps trade value out of both the tax formula and the OTD price.

Do not enter a trade allowance as a seller discount. The California trade-in sales tax guide explains this rule and why it differs from states that allow a trade-in deduction.

Trade-in value and trade equity are different. Trade value is what the dealer allows for the vehicle. Equity is the value after subtracting the loan payoff.

Net trade equity = trade-in value − trade payoff

Positive equity

If the trade is worth $10,000 and the payoff is $7,000, the buyer has $3,000 of positive equity. The tool subtracts that $3,000 from the amount remaining after first calculating OTD.

Negative equity

If the payoff is higher than the trade value, net equity is negative. That increases the amount remaining. It still does not change California taxable selling price or the OTD price.

A cash down payment changes how much remains after the transaction total; it does not reduce the OTD price itself. The calculator subtracts cash only after computing vehicle price, charges, tax, and supported DMV fees.

Amount remaining = OTD price − net trade equity − cash down

The result is a planning number before financing. Interest, lender fees, loan terms, credit decisions, and product cancellations can affect the actual contract, so the tool never labels this amount as a financed balance.