Sunoco at 4731 Buttermilk Hollow Road in West Mifflin, PA is proud to partner with SHOP'n SAVE to bring you premium fuel choices and great savings. Enjoy regular, mid-grade, and premium Top Tier™ gasoline – all while earning Pump Perks every time you fill up. Inside the convenience store, pick up snacks, drinks, and daily essentials in a quick, clean, and welcoming environment.