how are vehicle sales taxed in texas? Texas sales tax on car purchases: Vehicles purchases are some of the largest sales commonly made in texas, which means that. This powerful tool simplifies the process, providing. texans who buy a used vehicle from anyone other than a licensed vehicle dealer are required to pay motor vehicle sales tax of 6. 25 percent on the purchase price or. motor vehicle sales tax is due on each retail sale of a motor vehicle in texas. A motor vehicle sale includes installment and credit sales and exchanges for property, services. all texans who buy a used vehicle from anyone other than a licensed car dealer must pay sales tax on the vehicle's standard presumptive value, which is determined by using the.
