S M Mart & Subway is located at 5501 Poplar Tent Rd, Concord, NC. This business specializes in Auto Repair & Service, Auto Fuel & Oil and Convenience Stores. S M Mart & Subway is open Mon, 9am-9pm; Tue, 9am-9pm; Wed, 9am-9pm; Thu, 9am-9pm; Fri, 9am-9pm; Sat, 9am-9pm; Sun, 9am-9pm and accepts Mastercard and Visa.