Royal Gourmet GA5403B 5-Burner BBQ Cabinet Style Propane Gas Grill with Rotisserie Kit GA5403B Spacious Cooking Space: 738 sq. in. cooking space in total, including 566 sq. in. porcelain-enameled cast iron cooking grates and 172 sq. in. porcelain-enameled steel wire warming rack that accommodate about 18 hamburgers simultaneously.