For me it would be a no-brainer. Buy the used one because you're basically getting a new car for a great deal and you won't have to pay sales tax, which will save a chunk.
If you're loaded, then buy it brand spanking new and be the first to fart in the seat!

__________________

It's from the family Phrynosomatidae, earless, spiny, tree, side-blotched and horned lizard.
Sig by the Hillbilly!