Located in Lawrenceville, GA, US Auto Sales Lawrenceville (University Parkway) also serves the Grayson and Snellville areas of GA. US Auto Sales prides itself in helping our customers achieve a Successful Ownership experience by offering high quality reliable used vehicles. We are taking car buying from IF to HOW with our easy in-house financing program that is designed to help people with all levels of credit get back on the road. We are your one-stop shop for finding your next vehicle. So stop in and enjoy the US Auto Sales experience and see why Successful Ownership starts with US.