Our {new to us} 2009 Suburban 2500 6.0L/4x4 pulls the TT well. I think the 6-Speed trans with 3.73 gears forces the truck into 2500+ RPM's on severe grades >5% trying to maintain 55, where the Silverado 1500 5.3 w/ 3.73's would have been in the 4000+ Range, in 2nd gear, but still pulling.
So, in the end, it will last longer, and maybe use a little less gas. I 'feel' more confident that the entire frame/drivetrain is better built for this, and since I live in mountainous terrain, I need it more than someone in the flats.
Most importantly, I want to lift up the gentlemen that expressed their concerns with using a 1/2 ton rig for a 6000+ lbs trailer. Their point was braking/safety. And I will admit the braking and transmission decelleration are 'VERY' noticable compared to the 1/2 ton rig, and I'm on their side now. In a disaster, I feel this truck will maintain control much more confidently than the 1/2 ton TV.
So, that's my two cents, and closure on the "Is a half ton too small for a big TT?" discussion.
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2011 Laredo 303TG
2009 Suburban 2500 4x4 6.0L/6-Speed/3.73's
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