Premium Automotive Service Since 1931! We have a skilled and knowledgeable sales staff with many years of experience satisfying our customers' needs. Located in Schaumburg, Illinois, the staff at Napleton's Schaumburg Buick GMC will help you find the vehicle you want. At Napleton's Schaumburg Buick GMC we offer a searchable online inventory of 2019-2020 new Buick and GMC cars, along with well-maintained used cars by today's top manufacturers. Come on in and take a test drive! Our sales staff will help you find that new or quality used car that you have been searching for. If shopping in the Schaumburg area we are the GMC Buick dealer near you!