Texas sellers often compare a neighbor’s handshake to a dealer cash or trade path. Those are not the same tax conversation for the buyer. The Texas Comptroller’s guidance on private-party purchases and standard presumptive values (SPV) says SPV applies to used vehicles bought in private-party sales that do not involve a licensed motor vehicle dealer. Tax is generally on the greater of the sales price or 80 percent of SPV (with a certified-appraisal option when the price is under that line).
The Comptroller also lists exclusions—vehicles sold by dealers are among them. TxDMV’s buying-or-selling page notes private-party buyers pay the 6.25 percent motor vehicle sales tax on the purchase price or SPV (whichever is higher) at titling. Look up SPV on the TxDMV calculator; the county still runs the taxable amount on title day.
A private deal that looked “highest” can fall apart when the buyer sees tax office math. That is process guidance—not a valuation of your car.
PriceForMyTrade helps sellers get competing offers from local dealerships. Competition is handled manually—dealers contact you directly. First responses are typically the same day; timing is not guaranteed. Offers are confirmed after a physical appraisal. Dealers can buy outright; you do not have to purchase another vehicle. Submitting takes about 30 seconds and is free to the seller. That is not an instant online valuation.
Several local desks pricing your year, miles, and condition beats one private promise that still has to survive SPV and funding.
Offer on this car. What a store will pay after appraisal.
Payoff. If you owe, get a current letter before you compare.
What you buy next (if anything). Price, term, and rate path stay separate from the sell-side number—see /trade-in-vs-selling-outright, /sell-car-with-loan-payoff, /how-competing-offers-work, and /sell-my-car-east-texas.
Takeaway: Private-party SPV rules can surprise buyers at the county tax office. Get competing dealer offers so local stores price the car—not a handshake that still has to clear tax math.