by N.E. TM RPR on Mar 5, 2002 Vehicle: 2001 GMC Sierra 3500 4dr Crew Cab SLT 4WD LB DRW w/OnStar (6.0L 8cyl 4A)
Bought this truck end of July. Installed Una-Goose ball hitch in bed and drive it every day. I have 29,000 plus miles and have no reason to take it to dealer yet. I do all my own general service. I have towed loads as heavy as 16,000 without any problems. Trans handles all loads with ease with the grade braking. Only problem is keeping speed down,lots of power and I find myself going too fast.
The General's brand-new HD truck lineup debuts with stronger frames; beefed-up suspensions, axles, brakes and cooling systems; new sheet metal; bigger interiors; and a trio of powerful new V8s -- a 6.6-liter Duramax turbodiesel and two gas engines, a hefty 8.1-liter and an improved 6.0-liter. One of the four transmissions, a new Allison five-speed automatic, is designed especially for towing and hauling with GM's helpful tow/haul mode and a new "grade-braking" feature.