List of Buick GMC Stores in Downers Grove, IL Outlet Note Regular Brands Buick GMC Illinois Downers Grove 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 - Downers Grove 2300 Ogden Ave (630) 969-0022 People Also Viewed