Fred Beans Cadillac Buick GMC is your premier Doylestown, PENNSYLVANIA Buick, GMC, Cadillac dealership. We serve Doylestown, ... Quakertown, and Warminster. With a huge selection of Buick, GMC, Cadillac, as well as other used cars in Doylestown, you are sure to find just what you are looking for. read more