Available trims for GMC Sierra 3500HD HD Crew Cab Long Box 3500 6.6 TD V8 (445 HP) 4WD SRW Automatic
SLE
SiriusXM AM/FM/Satellite with seek-scan Driver Alert Package I Driver Alert Package II Fleet Comfort Package Gooseneck / 5th Wheel Package
SLT
Radio data system Driver Alert Package I Driver Alert Package II LPO, GMC Protection Package Gooseneck / 5th Wheel Package
AT4
AM/FM stereo with seek-scan AT4 Preferred Equipment Group AT4 Premium Plus Package Driver Alert Package AT4 Preferred Package
Denali
AM/FM stereo with seek-scan Denali Preferred Equipment Group LPO, Cargo Convenience Package Denali Black Diamond Edition Denali Ultimate Package
