I researched long and hard when deciding on the $$ for the Duramax/Allison combo. Man am I pleased! It pulls my travel trailer like it wasn't even there. MPG has been better than my previous Firebird. Comfort is much better than I expected for a 3/4 ton. Looks? Man, you can't beat the Fire Red color! Don't know what it might take to wipe this smile off my face!
Great Power and Transmission, Had a Service 4WD Problem recently 5/2003 with 4000 miles on truck. Went into 4WD low w/o input from driver. Part not available, waited 3 weeks and a tow truck ride later!! YES I would buy another.
600 miles and drive-by-wire trottle body left me stranded. Immediately after the dealership replaced with new trottle body, the 4WD Transfer Case Control Module misteriuosly went bad (RE: Service Bullitin Rel. 02/2003). Very poor Service Dept. at dealership. I had very bad experience with unscrupulous mechanic who falsely claimed work that was not performed. Suspension springs incorrectly installed by manufacturer.
I had a dent on the hood when I purchased the truck. The push button 4 wheel drive went out (defective switch). The passenger side door module went bad (haven't got it fixed yet, they can't get the part). The truck has 1300 miles. These trucks aren't cheap and so far I'm not impressed. GMC needs to clean up there act!