List of Buick GMC Stores in Rockwall, TX Outlet Note Regular Brands Buick GMC Texas Rockwall 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 - Rockwall 930 E Interstate 30 (972) 771-7272 People Also Viewed