Not good for towing
By Mike on
Vehicle2005 GMC Sierra 1500 4dr Crew Cab SLT 4WD SB (5.3L 8cyl 4A)
ReviewHave you ever wondered why GM truck owners have to turn their hitches upside down. Even with Z-71, the suspension and trailering provisions are too soft and too low. Also the standard rear-end is going to be a 3.42. Great for milage, not so good for loading. Even with the 5.3 the engineers have turned up the computer trying to hide the small rear end. Posi-trac, not so good. One slick boat ramp and you will glad for 4WD. Even empty on the highway using cruise, the drivetrain cannot maintain enough power on hills to keep from down shifting and raising the RPMs. I pull three trailers ranging from 900 to 5100 pounds. All will wag this truck around easily. Brakes/rotors are on 3rd set.
Best FeaturesRide and comfort are exceptional. Road noise is minimal fro this size vehicle. XM radio is great and I love on-star. Big back seat handles car seat very well. Latch system is on all three places. Set the cruise on 64mph and long trips and 22mpg is not unheard of. Everything is a trade-off
Worst FeaturesSealed grease fittings, better brakes, I don't tow that often but I have replaced front rotors at 12k and pads twice. Oil leaks at the drain plug. More power less mpg. Better trailering suspension for towing, stiffer ride. Body panels feel flimsey, especialy front fender around hood & rear fender.
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