Since you're looking for a Jeep I assume you're fine with a manual? Even with a manual I believe that the newer Jeeps have a transfer case that will not spin when the trans and tcase are in neutral but you might want to consider that trailer. Someone up on the newer Jeeps can probably put you straight on that one. I am from the CJ / Wrangler generation so I'm sure that my info is out of date.
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That being said we flat tow a 2012 Ford Escape w/ a 5 speed. It pulls 30 MPG and can do some beach combing but I wouldn't take it rock crawling or mudding that's for sure. It is not a trail machine by any stretch of the imagination. My Ford weighs about as much as a TJ (3500 lbs empty, ~3650 with a full tank). I don't notice it back there except when I hit the mountains. Then I lose 5 mph on the grades.
The new Escapes cannot be flat towed according to Ford and I wouldn't even think of trying to go off the pavement with one so if you're stuck on new and trail riding then a jeep and a second toolbox are in your future.