Vehicle Sales Tax & Out-the-Door Calculator
Negotiated price before tax and fees.
Leave blank if no trade-in.
Trade-in tax credit
Deducted (most states — TX, FL, NY, MA, IL, OH, PA, NJ, GA…): tax applies to price − trade-in. No credit (CA, HI, DC, VA, MI): tax applies to the full price.
TX 6.25% · CA 7.25–10.25% · NYC 8.875%
FL 6.5–8.5% · MT/NH/OR 0%
DMV & dealer fees
TX $28–33 · CA ~$25 · FL $77.25
Varies by weight or value.
Capped: CA $85 · NY $175 · uncapped in FL, GA, AL.
Annual extra: TX $200 · WA $150 · OR $214.50.
Federal EV tax credit ended September 30, 2025
The federal new clean-vehicle credit (Section 30D, up to $7,500) and used clean-vehicle credit (up to $4,000) terminated for vehicles placed in service after September 30, 2025 under the One Big Beautiful Bill Act of 2025. State and utility incentives may still apply — check your state DOR.
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How to use
- 1 Enter the vehicle purchase price (negotiated price, before tax and fees).
- 2 Enter your trade-in value if applicable. The calculator handles your state's tax rule.
- 3 Enter your combined state + local sales tax rate. Use the state DMV or the Tax Foundation rate map for accurate figures.
- 4 Enter document fee (dealer paperwork — capped in some states, unlimited in others), registration, and title fee.
- 5 Click Calculate to see total out-the-door price. Compare to dealer's quoted OTD to spot hidden charges or padding.
About Vehicle Sales Tax & Out-the-Door Calculator
FAQ
Q How much sales tax will I pay on a $30,000 car in Texas?
Texas sales tax on motor vehicles is 6.25% statewide, with no local add-on. So a $30,000 car owes $1,875 in sales tax. With a $10,000 trade-in, you pay tax only on the $20,000 difference: $1,250. Texas is one of the cleaner sales-tax states for car buying.
Q Which state has the cheapest car sales tax?
Five states have no state sales tax: Oregon, New Hampshire, Montana, Delaware, Alaska. However, registration fees and other taxes may offset (Oregon charges a 0.5% vehicle privilege tax). For taxable states, North Carolina (3% Highway Use Tax) and South Carolina ($500 max IMF) are among the lowest effective rates.
Q Does my trade-in reduce sales tax?
In 39 states, yes — sales tax is calculated only on the difference between purchase price and trade-in value. The 11 exceptions: California, Maryland, Michigan, Virginia, Hawaii, Kentucky, Mississippi, Montana, New Mexico, Oklahoma, South Carolina, Vermont, Washington, DC. In those states, private-party sale of your old car often nets more after considering tax savings.
Q What is a doc fee and is it negotiable?
A documentation (doc) fee is the dealer's charge for paperwork. It's capped in some states (CA $85, NY $75, IL $324) but uncapped in many (Florida sees $499–$899 routinely). In capped states the doc fee is rarely negotiable. In uncapped states, you can negotiate or walk — Edmunds recommends not paying more than $300–$500 in those states.
Q How do I find my city's exact sales tax rate?
Use the Tax Foundation state and local sales tax rate map, your state's Department of Revenue website, or simply check the dealer's OTD quote for the breakdown. Some counties and special districts add 0.25–2% to the state rate, so two dealerships in the same metro area can have different effective rates.
Q Are dealer add-ons (VIN etching, fabric protection) worth it?
Almost never at dealer prices. VIN etching that costs $20 to apply is sold for $300–$500. Paint protection that costs $50 retail is sold for $700+. The CFPB and FTC have ongoing enforcement actions against dealers for forced add-ons. Always ask "what's included if I decline these?" — if the answer is "we can't sell you the car," walk and find another dealer.
Q Should I buy out of state to save sales tax?
No — you owe sales tax in your registration state, not the purchase state. If you live in California (7.25%+) and buy in Oregon (0%), Oregon may not collect tax but California will when you register the car. The only ways to legally save: temporarily move (genuine domicile change), buy in your state, or use a Montana LLC strategy (legally questionable; states are cracking down).
Q How much should I budget beyond the sticker price?
Plan on 8–12% above sticker: 5–10% sales tax, 1–3% doc + dealer fees, ~1% registration and title. So a $30,000 car typically costs $32,400–$33,600 OTD. In Tennessee, Louisiana, or Arkansas, total can hit 13–14% above sticker due to higher combined sales tax. Budget the higher end to avoid surprises at signing.
Official resources
Tax Foundation — State Sales Tax Rates
Authoritative annual report on state and local combined sales tax rates in the US.
CFPB — Auto Loans
Consumer Financial Protection Bureau guidance on negotiating car purchases and dealer fees.
FTC — Buying a Used Car
Federal Trade Commission consumer guide to dealer fees and add-ons.
Edmunds — True Cost to Own
Edmunds 5-year cost-of-ownership tool showing taxes, fees, and total ownership cost by vehicle.