You don't mention what swift model you are looking at, but the potential issue with most SUVs and 1/2 ton PU is the cargo capacity of the TV. The TT tongue weight, WD hitch, cargo and passengers in the TV all become cargo weight. Best thing to do is load up the Grand Cherokee as if you are going camping with all the passengers stuff you would carry in the TV and full tank of gas then head to a scale. Subtract that scale weight from the GVWR and that will tell you how much capacity you have left for the TT TW and Hitch.
Tongue Weight is typically 13-15% if the TT weight so if you don't know the actual tongue weight from the yellow sticker on the TT you can estimate it by taking 13% of the TT GVWR.
It's just simple math at this point.
We initially pulled our 26BH with a Tahoe. Our TT, at the time, weighed ~6500 and with myself, wife, 2 small kids and 2 boxers in the Tahoe we were over on cargo weight by about 150 lbs. We used the Tahoe for a couple trips till I could upgrade TV. On flat land the Tahoe with a 5.3, 3.73 and 4 speed transmisdion did fine, in the mountains we really struggled.
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2020 Ram 1500 5.7L
2007 Chevy Duramax LMM/Allison (Sold)
2012 Jay Flight 29QBH (Sold)
2012 Jay Flight 26BH (Sold)
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