I guess you mean MY13 look to MY14.
See this thread - http://www.jeepgarage.org/f176/chrome-side-molding-on-a-2014-a-66586.html
And the response a few months later from a buyer of these
http://www.jeepgarage.org/f190/2014-grand-cherokee-information-australia-54650-184.html#post949449
I am thinking of these ones that will sit below the crease and offer some protection
Amazon.com: 4Pcs ABS Chrome Body Door Side Molding Trim For Jeep Grand Cherokee 2011-2014: Automotive
See this thread - http://www.jeepgarage.org/f176/chrome-side-molding-on-a-2014-a-66586.html
And the response a few months later from a buyer of these
http://www.jeepgarage.org/f190/2014-grand-cherokee-information-australia-54650-184.html#post949449
I am thinking of these ones that will sit below the crease and offer some protection
Amazon.com: 4Pcs ABS Chrome Body Door Side Molding Trim For Jeep Grand Cherokee 2011-2014: Automotive