The 4 main burners on the Summit S-420 4-Burner Gas Grill provide 48,800 BTUs of grilling heat and performance. The grill's 538 sq. in. primary cooking area and 112 sq. in. warming-rack combine to provide 650 sq. in. of total cooking space. The manual-ignition grill features a flush-mounted side burner that can be used to prepare tasty side dishes. Mounted on wheels, the grill can be easily moved around your porch or patio.