Sullivan Buick GMC in Arlington Heights have been selling cars to folks in Schaumburg, Libertyville, Buffalo Grove, Bearington, Lake Zurich, Mt. Prospect, Wheeling and Arlington Heights for decades, and we've done it by operating as a responsible business where we treat you with respect. We have an extensive selection of the newest Buick & GMC vehicles out on the road, used cars and GM Certified Pre-owned vehicles. Whether you're coming from Schaumburg or within Chicago, we aim to exceed your expectations when searching for a new car dealership.