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2021 3500HD CC SRW SB 4WD
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78 Posts
Just my 2 cents. I had a 2019 Sierra 1500 AT4 with a 6.2l and bought a TT Grand Design 2670mk 32 ft hitch to bumper with 8499 lb gvwr. I thought it should be fine. But by the time it is loaded to about 7800-8000 lbs the tongue was over 1000 lbs! Forget about filling the front fresh water tank then it’s about 1200lbs ready to go. Even with a weight distribution hitch with sway control and Roadmaster Active springs it still was a chore to tow. Every passing vehicle pulled it around, always was having to correct even when a small suv passed. Fast forward I now have a 21 Sierra 2500 Denali Diesel. Towing is night and day different. One hand and no suck, no sway. I almost forget it’s there!
Thank you for sharing your experience. I am considering switching from a 3500HD to a Silverado next year. With the upgraded capacity it is tempting, but real world experience such as yours will be a valuable tool in my decision making.
 

·
Registered
2021 3500HD CC SRW SB 4WD
Joined
·
78 Posts
Just my 2 cents. I had a 2019 Sierra 1500 AT4 with a 6.2l and bought a TT Grand Design 2670mk 32 ft hitch to bumper with 8499 lb gvwr. I thought it should be fine. But by the time it is loaded to about 7800-8000 lbs the tongue was over 1000 lbs! Forget about filling the front fresh water tank then it’s about 1200lbs ready to go. Even with a weight distribution hitch with sway control and Roadmaster Active springs it still was a chore to tow. Every passing vehicle pulled it around, always was having to correct even when a small suv passed. Fast forward I now have a 21 Sierra 2500 Denali Diesel. Towing is night and day different. One hand and no suck, no sway. I almost forget it’s there!
 
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