To add to my previous post - I have also purchased locally and got burned. Bought a brand new 16' 2500 Laramie Longhorn with the Cummins to pull a newly acquired 5th wheel toyhauler, only to find out the 2500 w single rear wheels would be pushing it close to its limits, so I went back to the dealer (only about 7 days later - less that 200 miles on the odometer) to see about trading to a dually, and was met withe the response "you'll take about a $10k hit on the trade in" - I said "WTF?" it hadn't been but about a week. Needless to say I went elsewhere and traded to a dually without the BS given to me by that previous dealer to whom I'll never do business with again.