It does not matter what kind of vehicle you are searching for, you're sure to find something at Cappellino Buick GMC in Williamsville. We stock the biggest selection of new Buick and GMC vehicles in the Buffalo, NY region. If you are shopping for a pre-owned vehicle, we have many for you to pick from. Our Williamsville Buick and GMC dealership provides the best quality inventory, pricing, and customer service around. Come to our dealership serving Lockport and North Tonawanda to take a test drive.