Auto loan rates in Texas.

What's actually different about buying a car in Texas

• Flat 6.25% motor vehicle tax, statewide. No city or county sales tax stacks on the vehicle - a Houston deal and an El Paso deal tax identically. (Counties do add modest registration fees.)
• Unlimited trade-in credit. On a dealer purchase, your trade-in, dealer discounts, and manufacturer rebates all come off the price before the 6.25% is applied - no cap, unlike states such as Michigan. Trading a $15,000 car against a $35,000 purchase means tax on $20,000: $1,250.
• The SPV rule on private-party purchases. Buy used from a private seller and Texas taxes the greater of your price or 80% of the vehicle's Standard Presumptive Value - the state's book value. Score a genuine bargain and you can be taxed on more than you paid. The escape hatch: a certified appraisal from a licensed dealer or insurance adjuster substitutes for SPV. On any big private-party bargain, the appraisal fee usually pays for itself.
• No doc fee cap. Texas requires documentary fees to be "reasonable"; $150–$250 is typical. It's dealer profit, and it's negotiable - treat it as part of the price, not a government fee.
• Title and registration are county-processed: title application around $28–$33 depending on county, base registration around $50.75 plus county add-ons. Texas also eliminated routine annual safety inspections for passenger vehicles starting in 2025 (emissions testing still applies in some metro counties), replaced by a small fee at registration.

The tax math on a real deal

A $35,000 dealer purchase with a $15,000 trade-in, anywhere in Texas:

• Taxable amount: $35,000 − $15,000 = $20,000
• Motor vehicle tax: 6.25% × $20,000 = $1,250
• Plus title (~$28–$33), registration (~$51 + county), and a negotiable doc fee

The full trade-in credit means trading in carries a real tax subsidy in Texas: the dealer's trade offer is effectively worth 6.25% more than the same number from a private buyer. A $15,000 trade offer is worth about $938 in avoided tax - compare private-sale offers against trade offers plus that credit in the trade-in equity calculator.

The Texas credit union bench

Texas has several of the largest and most rate-aggressive credit unions in the country - get one pre-approval before the dealership finance office and make them beat it:

• Randolph-Brooks FCU (RBFCU) - San Antonio/Austin area, one of the nation's largest credit unions and consistently among the sharpest auto rates in Texas.
• Security Service FCU - major auto lender across Texas with broad membership.
• University FCU (UFCU) and A+ FCU - Austin-area staples, open beyond university affiliation.
• TDECU and Amplify - strong Gulf Coast and Central Texas options.

Rates move constantly - verify current figures before applying. With Texas's enormous military population, also note Navy Federal and USAA (San Antonio-headquartered) for eligible families - see military auto loan rates. Why credit unions usually price below banks: bank vs. credit union.

Frequently asked

I bought a used truck cheap from a neighbor - why is my tax bill higher than 6.25% of my price?

That's the SPV rule: the county taxed 80% of the state's book value because it exceeded your price. If the truck's condition justifies the low price, a certified appraisal (obtained within the state's filing window) resets the taxable amount.

Is there a Texas-only loan rate?

No - lenders price by credit, term, and vehicle, not by state. The Texas-specific money is in the trade-in credit, the SPV rule, and the doc-fee negotiation.

How does a lease buyout get taxed in Texas?

Texas collects the 6.25% motor vehicle tax up front on leases, so many Texas lease buyouts owe little or no additional sales tax at buyout - verify how your lease was structured before assuming either way. It materially changes the buyout math in your favor compared to most states.

Do I pay tax on a car I'm refinancing?

No - refinancing changes the lender, not ownership. No motor vehicle tax applies. See current refinance rates.