I have had both. The dually is more stable with out a doubt. I have to look at the trees to tell if the wind is blowing. Just be prepared at tire time for the extra tire expense and the frustration of so-called tire techs who cannot put the rear wheels on right. Both well worth the aggravation for the enhanced towing stability and safety. In the two years I have been driving a dually there has been maybe one or two times I could not park somewhere. My next truck will be a dually!
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