Expert recommended Top 3 Used Car Dealers in San Antonio, Texas. DriveTime Used Cars has 137 dealerships across the country with finance experts on-site. Their industry-leading online auto loan application puts you in the driver’s seat with the information you need to decide on your next used car.Welcome to Bill’s Auto & Truck Sales, San Antonio’s premier used car dealership! Here we make it easy to get the vehicle and auto loan you need with a huge Choose from a huge selection of cars, trucks and SUVs from all the major brands, including Toyota, Chevrolet, Honda, Jeep, GMC and more.Greater Texas Credit Union serves the San Antonio area with some of the lowest rates in Texas on new cars, used cars, and even refinancing an existing auto loan. Stop by one of our branches today and see why our members rave about our superior service and the ability to help meet your financial.