Texas Auto Center: Service San Marcos, Austin, and Central Texas. Helping you find a great used car at a price that makes sense for your budget is our goal at Texas Auto Center. We make this process easy with our one-click application process, or come in and see us in person. We’re certain that we have the car you are looking for at Texas Auto Center. We are accredited with the Better Business Bureau and a proud distinguished member of the National Independent Auto Dealer’s Association (NAIDA.)