I have had very limited troubles with this truck. It is a little harder on batteries due to the heated seats, etc. but that is the price you pay for the luxury. The OnStar option seems nice, but I have not taken advantage of it. I believe the SLT is the (affordable) Cadillac of trucks. I look forward to being able to upgrade to a crew cab soon.
Tow Haul, 4WD, heated seats, enjoyable to drive, smooth ride
The control knobs for the radio tend to fall off easily. GM leather could use some improvement- at least with that year model. The ride tends to get a little noisy with age- I believe this is due to the back windows not keeping a good seal.