Welcome to D.A Dempsey Auto Sales, where “customers send their friends.” The Dempsey family name …in business …since 1921 is a locally owned business, providing quality used cars, trucks, vans & SUV’s. When looking for your next used vehicle in Berkshire County, we invite you to stop by and see owner Dave Dempsey. Our customers come from here, in the Southern Berkshires, as well as the Central Berkshires and even Williamstown, North Adams and Adams in the Northern Berkshires.