Easiest way to tell if any Chrysler RWD/AWD vehicle from '05-'12 has a NAG1 is to look and see if it has the autostick shifter. Only the NAG1 has it and it's on all NAG1 equipped vehicles.
where was all this info last week - !!?? - not that I really minded assing around to get the info - I managed to learn a few things about newer Jeeps that I had no idea about -