There are many different kinds of grills including charcoal grills. They come in different sizes and offer different sized grilling areas. Many charcoal grills come in the 18.5 inch size and the larger 22.5 inch size. Weber, one of the leading names in the BBQ grill industry, has a few charcoal grills that boast a 22.5 inch grilling area, including the One-Touch charcoal grill and the Performer charcoal grill.