United Motors Inc. is your Buick Cadillac Chevrolet GMC dealer in Seminole offering sales, service, parts and financing. We have an unbelievable selection of quality GM products. In fact, we have the area's only full line up of GM vehicles. We also have an amazing history of great customer service. Our award winning dealership has only had one owner and is locally owned with strong ties to the community. With everything in one place on our website, we make it easy for you to browse our comprehensive inventory of new and used trucks, cars and SUVs.