I have been to Moab twice and will have to agree with this previous post.

"Terra Grapplers are by far the best all around tire I've ever driven...great combination of wet/dry traction & very little road noise.
Bridgestone Dueller "REVO" is another excellent choice." These are a real sweet tire year round.

Try 265/75 16 for good ground clearance and some sidewall padding when aired down. You will have to trim a little but that is no big deal.

Tru