Sullivan Buick GMC is the premier Chicago GMC Dealer offering one of the largest selections of new and used cars in the Arlington Heights, Schaumburg, Buffalo Grove, & Mount Prospect suburbs of Chicago. Customer satisfaction is crucial to our success at Sullivan, which is why we strive to offer the best vehicles fit to suit your taste and competitive prices.

Whether you are interested in buying a new or used GMC or Buick vehicle, we can help you get the car you are looking for.

Have questions? Want to come in for a test drive? Visit our showroom and dealership located at 777 West Dundee Rd in Arlington Heights - right next to Schaumburg, Mount Prospect, & Buffalo Grove - to find out what makes Sullivan Buick GMC the top Chicago Buick & GMC Dealer!