MTR'S are great tires for everything except mud. As far as milage,I have no idea, my rig is trail only. I did get 3.5 wheeling seasons before I put the IROKS on. Rule of thumb, the softer the rubber compound, the faster they wear on the street.

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Must be some sharp rocks out there in CA. Where I wheel in PA most of the rocks are round.
We make the rocks on the California coast and by the time they get pushed to you guys, they are round. Because you know all good things come from the West coast!!!!!! <img src="/forums/images/graemlins/notooth.gif" alt="" />

David Fritzsche
1990 Ex-Cab V-6,5-speed, with a few mods
04.5 CTD Dodge 2500 Ram--Tow Rig
Roseville, CA

"Serenity through Sobriety"