The Stok Quatrro Burner Grill features 4 burners that provide 48,000 BTU, a large 450 sq. in. main cooking area, a 150 sq. in. warming rack (600 sq. in. total) and a stainless steel hood and porcelain-coated firebox construction. What makes this BBQ grill special is that it uses interchangeable cooking inserts, allowing you to change the grill grate to a pizza stone, griddle, vegetable tray or any other stok grill insert. $349.