Napleton Buick GMC Crystal Lake in Crystal Lake, IL, is proud to be part of the Napleton Auto Group, a name trusted for excellence since 1931. With over 60 dealerships across four states, Napleton is dedicated to delivering unmatched service, unbeatable prices, and complete customer satisfaction. Whether you're shopping for a new Buick or GMC, a quality pre-owned vehicle, or expert service and repairs, our team is here to help. We offer competitive financing, genuine OEM parts, and a customer-first approach in every department. Experience the Napleton commitment to excellence at our Crystal Lake location. Call us today to schedule a test drive or service appointment!