Ahh..... full gasoline and LP, that does make a bit of a difference.
By that, you mean the brochure curb weight I suppose..... or do you mean the yellow sticker actual coach weight numbers?
Do you think that's a standard accross the board with all manufacturers?
Your point about watching the rear axle capacity is a real problem spot for a shopper, too.
It's tough enough that many of the manufacturers don't even give a brochure curb weight or CCC number as a ballpark.... there really isn't much of a way that i can see to figure out the weight and balance of a typical load.