List of GM Stores in Irwin, PA Outlet Note Regular Brands GM Pennsylvania Irwin Rating 4.6 based on 53 votes Official Website http://gm.com Products Cars Car Deals Automotive NameAddressPhone Name/Address/Phone GM outlet - Irwin 135 Penn Manor Rd (724) 864-8858 GM outlet - Irwin 135 Penn Manor Rd (724) 523-3502 People Also Viewed