If you're looking to buy a used car, there are a few things you need to consider before diving into the process. Not only do you want to find the best deal, but you also want to make sure you're buying from a trustworthy used car dealer. Gateway Auto - Car Sales Center is a used car dealership in Omaha that serves as the area's premier location for smart shoppers looking to purchase a quality pre-owned vehicle. We carry a wide selection of used cars, trucks, and SUVs, including popular models from manufacturers such as Chevrolet, Ford, Dodge, Toyota, and more.