If you aren't willing or capable of making your own then consider researching RV salvage yards. There are quite a few around and one may have your model that got totaled but still have usable cushions to sell you.
2017 SLX 195RB
2021 Jeep Grand Cherokee Summit L 5.7L V8
Andersen WDH hitch, Renogy 100 AH Lithium &
200 Watts solar panels from Renogy
Prev. '14 Jeep Grand Cherokee Overland, gas 3.6 V6