2025 GMC SIERRA 3500HD Denali

• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
• Hill Descent Control (Not available with dual rear wheels.)
• Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
• Front and Rear Park Assist, ultrasonic
• Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera Provisions
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• Trailer Camera Provisions and trailer viewing software
• Rear Cross Traffic Alert
• Trailer Side Blind Zone Alert
• Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
• Safety Alert Seat
• Rear Seat Reminder
• Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
• Seat Belt Adjustable Guide Loops, front row only
• Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
• Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety)

PACKAGE (2)

• X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks (Not available with dual rear wheels.)
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App

MECHANICAL (20)

• Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• GVWR, 11,550 lbs. (5239 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
• Air filter, heavy-duty
• Air filtration monitoring
• Transfer case, two-speed active electronic Autotrac with push button control
• Auto-locking rear differential
• Four wheel drive
• Cooling, external engine oil cooler
• Cooling, auxiliary external transmission oil cooler
• Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
• Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
• Trailer brake controller, integrated
• Recovery hooks, front, Chrome (Plant installed.)
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Skid Plates protect the oil pan, front axle and transfer case
• Suspension, Off-Road includes twin-tube shocks (Not available with dual rear wheels.)
• Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)

EXTERIOR (27)

• Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)
• Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF9) LT275/65R20 all-terrain, blackwall tires on single rear wheel models.)
• Single Rear Wheels
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Bumper, front, body-color lower
• Bumper, rear body-color with bumper CornerSteps
• CornerStep, rear bumper
• Bed Step, Black integrated on forward portion of bed on driver and passenger side
• Moldings, beltline, stainless steel
• Wheelhouse liners, rear (Not available with dual rear wheel models.)
• Bed Liner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Available with Ship Thru code (SQE), not available with any other Ship Thru code.)
• Cargo tie downs (12), fixed, rated at 500 lbs per corner
• Grille, Signature Chrome Denali grille
• Fog lamps, LED
• Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
• Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
• LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
• Lamps, Smoked Amber roof marker, (LED) (Standard with dual rear wheels. Not available with (YF5) California state emissions requirements on single rear wheels.)
• Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])
• Mirror caps, chrome
• Wipers, front rain-sensing
• Glass, deep-tinted
• LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo Diesel V8 engine.)
• Door handles, chrome
• Tailgate, GMC MultiPro Tailgate with six functional load/access features. NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details
• Tailgate and bed rail protection caps, top
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light

ENTERTAINMENT (1)

• Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)

INTERIOR (27)

• Seat adjuster, driver 12-way power including lumbar
• Seat adjuster, passenger 12-way power including lumbar
• Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width underseat storage, (includes child seat top tether anchor)
• Seats, heated second row outboard seats
• Driver memory, recalls driver "presets" for power driver seat and outside mirrors
• Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
• Floor covering, color-keyed carpeting
• Steering wheel, wrapped
• Steering wheel, heated
• Steering column, manual Tilt-Wheel and telescoping
• Steering wheel audio controls
• Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
• GMC Premium information Display- 13.4" diagonal Multicolor touch screen
• Exterior Temperature Display located in radio display
• Compass, located in instrument cluster
• Window, power front, drivers express up/down
• Remote vehicle starter system
• Adaptive Cruise Control
• Universal Home Remote
• Theft-deterrent system, unauthorized entry
• Wireless Charging
• Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• USB ports, (2) charge-only, rear
• Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
• Air conditioning, dual-zone automatic climate control
• Air vents, rear
• Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted

REAR CAMERA MIRROR inside rearview auto-dimming with full camera display	GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
LICENSE PLATE KIT FRONT	AUDIO SYSTEM 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM with Google built in apps such as navigation and voice assistance includes color touch-screen multi-touch display AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones. (STD)
TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display	WHEELS 20" (50.8 CM) ULTRA-BRIGHT MACHINED WHEELS WITH BRIGHT CHROME INSERTS with Black painted pockets (STD)
TRANSMISSION ALLISON 10-SPEED AUTOMATIC	DENALI PREFERRED EQUIPMENT GROUP includes standard equipment
ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)	WINTER GRILLE COVER
TRAILER TIRE PRESSURE MONITOR SENSORS includes set of 4 sensors. Sensor functionality requires (UET) In-vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories	ENGINE BLOCK HEATER
LPO GMC MULTIPRO TAILGATE STEP LIGHTS (dealer-installed)	SUNROOF POWER
DENALI RESERVE PACKAGE includes (CWM) Technology Package and (CF5) power sunroof	STERLING METALLIC
REAR AXLE 3.42 RATIO	GVWR 12 100 LBS. (5488 KG) WITH SINGLE REAR WHEELS
JET BLACK FORGE PERFORATED LEATHER SEATING SURFACES	EXHAUST BRAKE
ALTERNATOR 220 AMPS	SEATS FRONT BUCKET WITH CENTER CONSOLE (STD)
MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY	LPO ALL-WEATHER FLOOR LINER 1ST AND 2ND ROWS (dealer-installed)
Lane Departure Warning	Front Collision Mitigation
Front Collision Warning	Automatic Highbeams
Tow Hitch	Running Boards/Side Steps
Keyless Start	Locking/Limited Slip Differential
Four Wheel Drive	Tow Hooks
Power Steering	ABS
4-Wheel Disc Brakes	Aluminum Wheels
Tires - Front All-Terrain	Tires - Rear All-Terrain
Conventional Spare Tire	Running Boards/Side Steps
Bed Liner	Daytime Running Lights
LED Headlights	Automatic Highbeams
Fog Lamps	Heated Mirrors
Power Mirror(s)	Integrated Turn Signal Mirrors
Power Folding Mirrors	Intermittent Wipers
Variable Speed Intermittent Wipers	Rain Sensing Wipers
Privacy Glass	Rear Defrost
Sliding Rear Window	Integrated Tailgate Step
AM/FM Stereo	Navigation System
MP3 Capability	Bluetooth Connection
Auxiliary Audio Input	Smart Device Integration
Satellite Radio	Requires Subscription
Satellite Radio	Requires Subscription
Premium Sound System	Bluetooth Connection
Bluetooth Connection	Smart Device Integration
WiFi Hotspot	Bucket Seats
Leather Seats	Power Driver Seat
Driver Adjustable Lumbar	Power Passenger Seat
Passenger Adjustable Lumbar	Pass-Through Rear Seat
Rear Bench Seat	Heated Front Seat(s)
Heated Front Seat(s)	Cooled Front Seat(s)
Heated Rear Seat(s)	Mirror Memory
Seat Memory	Floor Mats
Floor Mats	Heated Steering Wheel
Adjustable Steering Wheel	Steering Wheel Audio Controls
Tire Pressure Monitor	Power Windows
Power Windows	Power Door Locks
Remote Engine Start	Keyless Entry
Power Door Locks	Keyless Start
Cruise Control	Adaptive Cruise Control
Universal Garage Door Opener	Security System
MP3 Capability	Auxiliary Audio Input
MP3 Capability	Auxiliary Audio Input
Climate Control	Multi-Zone A/C
A/C	Rear Defrost
Auto-Dimming Rearview Mirror	Front Collision Mitigation
Front Collision Warning	Traction Control
Stability Control	Daytime Running Lights
Daytime Running Lights	Driver Air Bag
Passenger Air Bag	Front Side Air Bag
Front Head Air Bag	Rear Head Air Bag
Passenger Air Bag Sensor	Telematics
Requires Subscription	Rear Parking Aid
Back-Up Camera	Aerial View Display System
Back-Up Camera	Cross-Traffic Alert
Blind Spot Monitor	Lane Departure Warning
Front Collision Warning	Front Collision Mitigation
Driver Restriction Features	Tire Pressure Monitor
Navigation System	Telematics
Requires Subscription