Don't think so
I've got an '06 Dakota Quad cab--relatively same size and shape. It has a 3.7L, and auto trans. I've added warmair induction, a full bed cover, front air dam, and I use some hypermiling techniques. I've never gotten to 25 mpg in real driving. Now, if you can drive only down hill, drafting a semi, in a warm dry climate......maybe.
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