^+1000 on all these comments. And some photos from my use of the U-Haul trailer. They are so well built, easy to hook up, and tow so well. Put AHC in H mode to lift the rear bumper and lower the rear of the trailer to improve the loading ramp angle for the low car. AHC keeps the truck level. Here are some motivational photos.
When I bought my truck, I hauled my 4000 lb Volvo home. easy peasy. 4" drop on my hitch and trailer wasn't quite level. I'd suggest a 6" drop hitch. No issues (scraping) loading/unloading my low wagon.
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Hauling my friend's XJ Cherokee.
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Hauling by brother's Tundra.
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Hauling my Passat. Back of my truck is a little low because I hadn't started it yet to activate the AHC.
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