FWIW Katrina, we haul 1000# easily in our Yukon 1500 (even though I'm not a DIE HARD GM person

:wink: ) so a GM 1500 should haul a ton just fine.
I will say that the Yukon has something that was called 'air ride' and when you load it you can hear/feel the shocks as they rise to keep the load even.
It's pretty nifty.
Some friends of ours traded their 2013 Chev 1/2 ton pickup in for a Suburban. There wasn't anything wrong with the pickup; they just didn't like it. I can find out where they traded if that would do you any good.