Your 2011 should be the 3.8. Which, in my opinion, is a turd. Low power being the main issue.
I swapped mine out and put in a 5.7 hemi. A ton more work and money when replacing the 3.8. But if you're going to swap a non-3 8 engine, it'll be the same work involved, if not more, to do a 4.0 than...