DURAMAX PLUS PACKAGE includes (L5P) Duramax 6.6L Turbo-Diesel V8 engine (DQS) outside memory equipped heated power-adjustable vertical trailering mirrors (MW7) Allison 1000 6-speed automatic transmission (UQA) Bose premium audio system (UD5) front and rear park assist and (IO6) 8" diagonal Color Touch Screen Navigation with GMC Infotainment
​MIRRORS CHROME OUTSIDE HEATED POWER-ADJUSTABLE VERTICAL TRAILERING MEMORY-EQUIPPED UPPER GLASS POWER-FOLDING AND MANUAL EXTENDING; Includes integrated turn signal indicators consisting of 51 square inch flat mirror surface positioned over a 24.5 square inch convex mirror surface with a common head and lower convex spotter glass (convex glass is not heated and not power-adjustable) and addition of auxiliary cargo lamp for backing up (helps to see trailer when backing up with a trailer) and amber auxiliary clearance lamp
​ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (445 hp [332 kW] @ 2800 rpm 910 lb-ft of torque [1220 Nm] @ 1600 rpm) Includes capped fuel fill (K40) exhaust brake and (K05) engine block heater.
​REAR AXLE 3.73 RATIO
​SLT PREFERRED EQUIPMENT GROUP includes standard equipment
​LICENSE PLATE KIT FRONT
​TRANSMISSION ALLISON 1000 6-SPEED AUTOMATIC ELECTRONICALLY CONTROLLED with overdrive electronic engine grade braking and tow/haul mode
​RED QUARTZ TINTCOAT
​GVWR 10 000 LBS. (4536 KG)
​TIRES LT265/70R18E ALL-TERRAIN BLACKWALL
​BED LINER SPRAY-ON Pickup box bed liner with GMC logo consisting of high pressure chemically bonded sprayed-on polyurea & polyurethane liner formulation. Liner is permanently bonded to the truck bed providing a water tight seal. The textured non-skid surface is black in color and robotically applied. Spray-on liner covers entire bed interior surface below side rails including tailgate front box top rail gage hole plugs and lower tie down loops
​WHEELS 18" (45.7 CM) CHROMED ALUMINUM includes 18" x 8" (45.7 cm x 20.3 cm) steel spare wheel. (STD)
​ENGINE BLOCK HEATER CREDIT
​PAINT SOLID
​SEATS FRONT 40/20/40 LEATHER-APPOINTED SPLIT-BENCH 3-PASSENGER with (KA1) heated seat cushions and seat backs. Includes 10-way power driver and front passenger seat adjusters including driver/front passenger power recline driver/front passenger power lumbar 2- position driver memory and adjustable outboard head restraints. (STD)
​FRONT AND REAR PARK ASSIST ULTRASONIC
​LAMPS SMOKED AMBER ROOF MARKER
​AUDIO SYSTEM 8" DIAGONAL COLOR TOUCH SCREEN NAVIGATION WITH GMC INFOTAINMENT SYSTEM AM/FM/SIRIUSXM HD RADIO with USB ports auxiliary jack Bluetooth streaming audio for music and most phones Pandora Internet radio and voice-activated technology for radio and phone
​BOSE SOUND WITH 6 SPEAKER SYSTEM
​COCOA/DUNE LEATHER-APPOINTED FRONT SEAT TRIM
​EXHAUST BRAKE
​UNDERBODY SHIELD FRAME-MOUNTED SHIELDS includes front underbody shield starting behind front bumper and running to first cross-member protecting front underbody oil pan differential case and transfer case
