Traded my 2020 1500 3.0 Dmax Z71 4x4 Texas edition 3.73 gears, with Fox shocks, airbags (removed them), Fuel wheels (left them on), level kit, S&B Filter (left it on), ceramic windshield tint and tint all around for this truck.
Pics attached:
2500HD Dmax
1500 3.0 Pulling the Vibe 26RK 31', 6800# at a RV resort
1500 3.0 pulling the new Astoria 3373RL 37', 8200#
Ride difference:
This 2500HD is a smoother ride actually. I believe that has to do with the airbags in the back on the 1500 as that made the ride rougher, regardless what you read on the internet.
The 1500 3.0 from the factory with the offroad towing option has the piece of junk Rancho shocks which made the truck bounce around as if it had worn out 300k mile shocks on it. Embarrassing. Fox shocks took care of that problem though. I didnt get to experience the ride without the airbags though as I had them installed within a few days. It was still comfortable, I just adjusted air pressure in the back when not towing my travel trailer (31' Vibe 26RK).
Towing:
Havent towed with the 2500 yet but I already know its going to be great.
3.0 Dmax towed the 2021 Vibe 26RK TT (31', 6800 empty) without issue and stopped without issue. The trailer brake controller inside the truck was very helpful as I modulate brakes when coming to a stop or when in traffic. I've went 70-75mph and never felt as though there was going to be any issues. 18wheelers coming towards me or passing me never worried me. Felt very good towing the smaller travel trailer and had no problems getting up to speed or retaining it.
Comfort:
Surprisingly it is more comfortable in the 2500HD. I have the front bucket seats option so maybe there is a difference there. The center console is definitely a plus. I can put my phone or whatever there and keep it out of the way. The actual center console storage is roomy but the $65 tray from GM is overpriced. I instead bought one on Amazon for $20. Had to also order the weather mat type mats in case of mud or dirt or whatever. Makes cleaning easier. Back seats feel more roomy also. But feature wise, same same. I did lose the power outlet inside the truck since I didnt have that option.
The only thing I dont like is the halogen headlights. I'll need to find LED headlights on ebay and buy the correct harness, so about $1200-1500.
Next up is tint, wheels, 3 piece rear bed cover and a level kit.