Texas charges 6.25% state sales tax on car purchases, plus local taxes that vary by county

When you buy a car in Texas, you pay the state sales tax of 6.25% on the purchase price. Most counties add their own local sales tax on top of that, ranging from 0.125% to 2%, which means your total tax can be anywhere from 6.25% to 8.25% depending on where you live. The tax is calculated on the selling price of the vehicle, not the manufacturer's suggested retail price.

You pay this tax at the time of purchase, usually through the dealership or private seller. If you buy from a dealership, they typically handle the tax calculation and collection as part of the sale. If you buy privately, you pay the tax when you register the vehicle with the Texas Department of Motor Vehicles.

Key Takeaways

  • Texas state sales tax on cars is 6.25%, and your county may add 0.125% to 2% more, making your total between 6.25% and 8.25%.
  • The tax is based on the actual sale price you negotiate, not the sticker price or manufacturer's suggested retail price.
  • You can find your exact local tax rate by entering your ZIP code on the Texas Comptroller of Public Accounts website.
  • Trade-in vehicles reduce the taxable amount — you only pay tax on the difference between the new car price and your trade-in value.
  • Private sales are taxed the same way as dealership sales, but you pay when you register rather than at the point of sale.

How local taxes add to the state rate

Texas divides sales tax into state and local portions. The state keeps 6.25%. The remaining tax goes to your county and city. Some counties have no additional local tax beyond the state rate, while others add up to 2%. For example, Harris County (Houston) has a combined rate of 8.25%, while some rural counties stay at 6.25%.

To find your exact rate, visit the Texas Comptroller of Public Accounts website and search by ZIP code. The rate shown is what you will pay on any purchase in that area, including cars. Rates can differ between neighboring cities, so if you live near a border, the location where you complete the sale matters.

Trade-ins reduce what you pay tax on

If you trade in your old vehicle as part of the purchase, Texas allows you to subtract that trade-in value from the new car's price before calculating tax. You only pay sales tax on the difference. For example, if you buy a car for $25,000 and trade in a vehicle worth $8,000, you pay tax on $17,000, not $25,000.

The dealership handles this calculation automatically. Make sure the trade-in value is clearly listed on your paperwork so you can verify the tax was calculated correctly. This reduction applies whether you trade in a car, truck, or motorcycle.

Private sales and registration taxes

Buying from a private seller does not change the sales tax rate — you still owe 6.25% state tax plus your local tax. The difference is when and how you pay it. With a private sale, you do not pay tax at the point of sale. Instead, you pay it when you register the vehicle with the Texas Department of Motor Vehicles.

You will need the bill of sale, the vehicle title, and proof of insurance to register. Bring a check or be prepared to pay by card for the registration fee and sales tax together. Some counties allow online registration, but tax payment typically requires an in-person visit or mail submission.

What the sales tax covers and does not cover

Sales tax applies to the vehicle itself — the car, truck, or motorcycle you are purchasing. It does not explore to dealer add-ons like extended warranties, gap insurance, or service packages if those are listed separately on your paperwork. However, if the dealer bundles these into the vehicle price, tax will be calculated on the total.

Documentation fees, registration fees, and title transfer fees are separate from sales tax and are not subject to it. These are fixed charges set by the state or county. Dealer preparation fees and delivery charges may or may not be taxable depending on how they are itemized — ask the dealership to show you exactly what is and is not included in the taxable amount before you sign.

How to calculate your total tax before buying

To estimate your tax, multiply the sale price by your local tax rate. If you are buying a $20,000 car in a county with an 8% combined rate, your tax would be $1,600. Add this to the sale price, plus any registration or documentation fees, to get your true out-of-pocket cost.

Dealerships are required to show you the tax amount separately on your paperwork before you sign. Review this line item carefully. If you are negotiating the price, remember that a lower sale price reduces the tax you owe, so the tax savings are real money, not just a percentage.

Frequently Asked Questions

Do I pay sales tax on a car I buy out of state and bring to Texas?

Yes. Texas taxes vehicles based on where they are registered, not where they are purchased. If you buy a car in another state and register it in Texas, you owe Texas sales tax. Some states offer tax credits for sales tax paid elsewhere, but Texas does not, so you may end up paying tax twice.

What if I buy a car from a family member?

Family sales are still subject to Texas sales tax at the same rate as any other purchase. The tax is based on the fair market value of the vehicle, not the price you actually paid. If you paid $5,000 for a car worth $15,000, the tax is calculated on $15,000. You pay this tax when you register the vehicle.

Are used cars taxed the same way as new cars?

Yes. The sales tax rate is the same whether you buy a brand-new vehicle or a used one. The tax is calculated on whatever price you negotiate, regardless of the vehicle's age or condition. A used car that costs less will result in lower tax, but the rate itself does not change.

Can I deduct car sales tax on my federal income taxes?

You cannot deduct state and local sales taxes on a vehicle purchase on your federal income tax return. Sales tax is not deductible for personal vehicle purchases. You can only deduct sales tax if you itemize deductions and live in a state that allows it, but Texas does not offer this option.

What happens if I buy a car and move out of Texas before registering it?

You still owe Texas sales tax on the purchase. The tax is based on where the sale occurred, not where you will register the vehicle. If you move before completing registration, contact the Texas Department of Motor Vehicles to understand how to handle the transaction in your new state.