Available trims for GMC Sierra 2500HD Regular Cab Long Box 2500 6.6 TD V8 (445 HP) SRW Automatic
SLE
AM/FM radio Driver Alert Package I Driver Alert Package II Fleet Comfort Package Gooseneck / 5th Wheel Package
SLT
AM/FM stereo with seek-scan Driver Alert Package I Driver Alert Package II Gooseneck / 5th Wheel Package Heavy Duty Front Spring/Camper Package
AT4
Speed sensitive volume AT4 Preferred Equipment Group AT4 Premium Plus Package Driver Alert Package AT4 Preferred Package
Denali
AM/FM radio Denali Preferred Equipment Group Heavy Duty Front Spring/Camper Package Denali Black Diamond Edition Denali Ultimate Package
