Welcome. West Palm Beach to Tennessee, interesting choice
Generally diesels and known to last longer but I have know a few people with American made gas engines with 250K plus miles so it can be done. I personally would be far happier driving the H3 until it was dead than the Dodge 2500 but that is me. Nothing against the Dodge, I just think I will still love the H3 a number of years down the road where the Dodge would just be another truck to me. Just my two cents.
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I don't care about the "Jeep thing"

as long as my mail is on time!!!
Slate Blue H3 Adventure w/sunroof, Monsoon/NAV, DVD and marker lights