All Summit® Gold 4-burner gas grills feature:
The Summit® Gold A4 comes with 4 stainless steel burners, 44,000 BTU-per-hour input, and 700 sq. in. total cooking area.
The Summit® Gold B4 comes with all of the same great features as the A4, plus a 12,000 BTU-per-hour input side burner.
The Summit® Gold D4 comes with all the great features of the A4 and B4, plus a spit fork rotisserie with a heavy-duty motor, a 9,600 BTU rear-mounted infrared rotisserie burner and a stainless steel smoker box with a dedicated 8,000 BTU smoker burner.