Yea, Honda's resale values are definitely higher their Chrysler or GM counterparts. Are you shopping new or used? Because I think--don't quote me on this--that the two are similarly priced when new.
The Kia Sedona has the lowest fuel economy ratings of any current minivan (that I know of), which is enough to turn me off completely lol. And of course being a Kia it's depreciation value is as bad as Chrysler's. The interior of the new ones feels like a truck, per reviews, good or bad depending on your preference.
But boxiness doesn't equate to higher MPGs!
It's interesting though how the Quest went from an overly curvy body style to the boxiest minivan on the market.
Why not get an early 90s vacuum cleaner shaped Oldsmobile or Pontiac?