I know a guy who for several years towed a 30' travel trailer (7500 GVWR) with a Jeep Grand Cherokee. That's one of those "well, technically, it could work in a narrow set of circumstances" situations. He swore it only had a tongue weight of 500# because that's what he got told by the salesman.

Not someone you want to share the road with. He was a big guy, married with two teenage boys and a dog. He was so far over the payload limit on that Jeep...