Personal opinion here: I have run Goodyear and Michelin on a variety of coaches. Currently on Michelin because that's what the coach came with. i suspect that I will time out before I wear them out as I have with most of my previous tires even though we travel 15 to 20K miles per year.
The last time I bought replacement tires (4 years ago) they were Michelin because of the deal that was available through FMCA. I took the price to my regular Goodyear Dealer and he said he could not even get close in price.