I have the 3.55 gears but would prefer the 3.73. My fuel mileage is 15-16 mpg on my '12 EB screw 4x4. The engine feels a little sleepy with the 3.55's until you get into the turbos. I think the 373's would help a little in this aspect.
And the cloth seats vs leather: my drivers side seat is already starting to tear at 50 k miles.
And the cloth seats vs leather: my drivers side seat is already starting to tear at 50 k miles.