Both Primo and bge have a great warranty on most of the parts. There is no problem what so ever with warranty service. I have cracked the fire box, rings etc and they were all replaced with a smile. Don’t forget the heat can go well over 800 degrees and cracking can happen on the cool down...
The XL bge does not have the height above the grill for anything of size. For example, it is very hard to cook a beer can chicken because it touches the lid. The lid is very heavy and can come down with a thud if someone doesn’t know the weight. Even with the hinge fix that bge boys came up...