I like used... My brand new 2007 work van with 6500 mileshas more issues than my 03 H2 with 48k miles...

but... I do want that Duramax Diesel....

 

any reason you're not looking to sell it outright? you'll never get as much on trade-in as if you sell outright, to an end-user. if you trade it in, the dealer has to sell to an end-user anyway, and has to make a profit, so you come in short.