List of Buick GMC Stores in Effingham, IL Outlet Note Regular Brands Buick GMC Illinois Effingham Rating 4.6 based on 93 votes Official Website http://www.chevrolet.com Products Cars Car Deals Automotive NameAddressPhone Name/Address/Phone Buick GMC outlet - Effingham 2309 S Banker St (217) 347-0505 People Also Viewed