Complete BS aside, my Jeep dealership pushed me to a Dodge Ram Truck dealer down the street for EcoDiesel service (both owned by the same people). Even though I was a bit annoyed, the Ram guys see WAY more Ecodiesel engines come through and seem to know what in the heck they're talking about...
'21 Diesel Rubicon - 35x12.50x17s
My Rationale - I'm in Colorado and the break over angle kind of sucks, so I needed to go a bit bigger. I do proper overlanding (ie driving to remote jungle tracks in Belize/Guatemala, extended trips into the desert), so being able to fit a spare in the factory...