2025 GMC SIERRA HEAVY DUTY

DENALI & DENALI ULTIMATE

AS SHOWN $93,295*

DENALI STARTING AT

$73,900*

AVAILABLE TOW UP TO

30,800 LBS.*

KEY FEATURES

AVAILABLE

 DURAMAX® 6.6L TURBO-DIESEL V8 ENGINE WITH 975 LB.-FT. OF TORQUE AND 470 HP

OFFERS MORE

TRAILERING-ASSISTANCE TECHNOLOGIES THAN ANY COMPETITOR IN ITS CLASS*

STANDARD BEST-IN-CLASS*

16-WAY POWER FRONT SEATS WITH MASSAGE FEATURE ON DENALI ULTIMATE

WORLD’S FIRST

SIX-FUNCTION MULTIPRO™ TAILGATE WITH AVAILABLE KICKER®* AUDIO SYSTEM

UP TO

14 AVAILABLE CAMERA VIEWS* INCLUDING TRANSPARENT TRAILER VIEW*

AVAILABLE

MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY

EXPLORE GMC SIERRA HD DENALI & DENALI ULTIMATE TRIMS

As Shown $74,395*

DENALI

STARTING AT

$73,900*

AVAILABLE TOW UP TO

30,800 LBS.*

INCLUDES SLT STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES

  • 20" Ultra-Bright machined wheels with bright chrome inserts*
  • Denali-exclusive authentic open-pore wood, patterned aluminum trim and forge perforated leather seating surfaces
  • 12-way heated and ventilated power front seats

 AVAILABLE FEATURES

  • Duramax 6.6L Turbo-Diesel V8 engine with Allison® 10-speed automatic transmission
  • Power sunroof
  • Rear Camera Mirror*

As Shown $93,295*

DENALI ULTIMATE

STARTING AT

$92,800*

AVAILABLE TOW UP TO

30,700 LBS.*

INCLUDES DENALI STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES

  • Duramax 6.6L Turbo-Diesel V8 engine with Allison 10-speed automatic transmission
  • Signature Vader Chrome grille and exclusive 20" Ultra-Bright machined aluminum wheels with gloss-black inserts*
  • Exclusive Alpine Umber interior featuring full-grain leather seating, authentic open-pore Paldao wood and 16-way power front seats with massage feature
  • 12-Speaker Bose* Premium Series with Centerpoint* surround sound
  • Illuminated power assist steps and MultiPro Tailgate Audio System by KICKER*

 AVAILABLE FEATURES

  • Auxiliary trailer camera

As Shown $XX,XXX

PRO

STARTING AT

$XX,XXX

STANDARD FEATURES

  • TurboMax™  Engine Delivering 310 Horsepower and 430 lb.-ft. of Torque
  • 13.4" Diagonal Center Touchscreen
  • 12.3" Diagonal Driver Information Center
  • TurboMax™  Engine Delivering 310 Horsepower and 430 lb.-ft. of Torque
  • 13.4" Diagonal Center Touchscreen

DENALI ULTIMATE COLORS

INTERIOR

Uncompromising luxury with premium amenities and our finest materials.

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PREMIUM DENALI INTERIOR

Sierra HD Denali’s interior distinguishes itself with aluminum trim, chrome accents, embroidered Denali logo and authentic open-pore walnut wood detailing.

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LUXURIOUS DENALI ULTIMATE MATERIALS

Sierra HD Denali Ultimate’s exclusive Alpine Umber interior features full-grain leather seating, plaited contrast stitching, and embossed and laser-etched topographical map patterns of Mt. Denali’s summit.

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16-WAY POWER FRONT SEATS

Experience serious comfort in Sierra HD Denali Ultimate’s best-in-class* 16-way power front seats with massaging feature.

2024 IMAGE SHOWN

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DUAL-ZONE AUTOMATIC CLIMATE CONTROL

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EXTERIOR

Take on the world in first-class style.

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BOLD DENALI GRILLE

Stand out everywhere you go with Sierra HD Denali’s signature chrome grille, front bumper and exterior design.

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20" DENALI WHEELS

Sierra HD Denali stands out with 20" Ultra-Bright machined wheels with bright chrome inserts.*

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DENALI ULTIMATE GRILLE

Stand out in Denali Ultimate style with its signature Vader chrome grille.

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20" DENALI ULTIMATE WHEELS

Sierra HD Denali Ultimate features attractive 20" Ultra-Bright machined aluminum wheels with gloss-black inserts.*

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LED PROJECTOR HEADLAMPS

LED projector headlamps feature GMC signature animated lighting sequences.

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SPRAY-ON BEDLINER

Help protect the bed and enhance its style with durable cargo bed protection featuring a GMC logo.

TECHNOLOGY

Keep informed and in command.

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13.4" DIAGONAL CENTER TOUCHSCREEN

This tablet-style touchscreen — the largest in its class* — is the customizable, high-tech centerpiece of the cabin.

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12.3" DIAGONAL COLOR DRIVER INFORMATION CENTER

Control and customize important vehicle, driving and infotainment content in high-resolution clarity.

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12-SPEAKER BOSE SOUND SYSTEM

The technologically advanced available 12-speaker Bose* Premium Series with Centerpoint* surround sound helps create a concert-like listening experience.

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PREMIUM GMC INFOTAINMENT SYSTEM*

With available Google built-in compatibility* this system offers a helpful, personalized and seamless way to enhance your in-vehicle experience.

VIEW DETAILS

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UP TO 14 CAMERA VIEWS

Get help seeing around your truck and compatible trailer with up to 14 available camera views,* including the industry-first available transparent trailer view.*

VIEW DETAILS

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ONSTAR® BASICS*

Drive confidently with core OnStar services, including select remote commands,* Automatic Crash Response* and more to help you if you’re in need.

VIEW DETAILS

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ONSTAR PREMIUM PLAN

The OnStar Premium Plan* gives you three years of safety services, including the OnStar Guardian® app* for 24/7 help on the go, plus In-Vehicle Apps,* unlimited data* and more.

VIEW DETAILS

CAPABILITY

Strong, smart and advanced.

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ADAPTIVE CRUISE CONTROL* WITH TRAILERING*

This feature allows the luxury heavy-duty truck’s Adaptive Cruise Control to account for additional drag and increased braking distances when towing a trailer.

2024 IMAGE SHOWN

Denali shown.

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ADAPTIVE CRUISE CONTROL WITH TRAILERING

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PROGRADETM TRAILERING TECH

This advanced suite of available intelligent technologies helps streamline the hitching and towing process with integrated tools that help enhance your sense of safety, confidence and visibility.

SAFETY

SIERRA HD PRO SAFETY

Every Sierra Heavy Duty luxury truck includes active safety and driver assistance technologies that help while driving and trailering. Sierra HD Pro Safety includes:

Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
IntelliBeam

Lane Departure Warning
Buckle to Drive
Automatic Emergency Braking 

Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

2500 SPEC HIGHLIGHTS

2500 HD DENALI

The Sierra 2500 HD Denali pickup truck comes in a 4WD Crew Cab model with a 6' 9" standard bed or an available 8' long bed.

MAX AVAILABLE GCWR

30,000 lbs.*

WHEELBASE

159.0"–172.0"

FRONT/REAR TREAD WIDTH

68.4"/68.3" SRW

MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

19,900 lbs.*

GROUND CLEARANCE

10.43"

CARGO VOLUME

69.5–83.5 cu. ft.*

MAX AVAILABLE CONVENTIONAL TRAILERING

20,000 lbs.*

MAX AVAILABLE PAYLOAD

3,599 lbs.*

2500 HD DENALI ULTIMATE

The Sierra 2500 HD Denali Ultimate pickup truck comes in a 4WD Crew Cab model with a 6' 9" standard bed or an available 8' long bed.

MAX AVAILABLE GCWR

30,000 lbs.*

WHEELBASE

159.0"–172.0"

FRONT/REAR TREAD WIDTH

68.4"/68.3"

MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

19,300 lbs.*

GROUND CLEARANCE

10.43"

CARGO VOLUME

69.5–83.5 cu. ft.*

MAX AVAILABLE CONVENTIONAL TRAILERING

20,000 lbs.*

MAX AVAILABLE PAYLOAD

3,518 lbs.*

3500 SPEC HIGHLIGHTS

3500 HD DENALI

The Sierra 3500 HD Denali pickup truck comes in a 4WD Crew Cab model with a 6' 9" standard bed or an available 8' long bed. Long bed is available with a Single Rear Wheel or Dual Rear Wheel configuration. 

MAX AVAILABLE GCWR

40,000 lbs.*

WHEELBASE

159.0"–172.0"

FRONT/REAR TREAD WIDTH

68.4"/68.3" SRW

68.8"/75.0" DRW

MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

30,800 lbs.*

GROUND CLEARANCE

11.1"-11.2" SRW

10.4" DRW

CARGO VOLUME

69.5–83.5 cu. ft.*

MAX AVAILABLE CONVENTIONAL TRAILERING

20,000 lbs.*

MAX AVAILABLE PAYLOAD

6,088 lbs.*

3500 HD DENALI ULTIMATE

The Sierra 3500 HD Denali Ultimate pickup truck comes in a 4WD Crew Cab model with either a 6' 9" standard bed or an available 8' long bed. Long bed is available with a Single Rear Wheel or Dual Rear Wheel configuration.

MAX AVAILABLE GCWR

40,000 lbs.*

WHEELBASE

159.0"–172.0"

FRONT TREAD/REAR TREAD WIDTH

68.4"/68.3" SRW

68.8"/75.0" DRW

MAX AVAILABLE GOOSENECK/FIFTH-WHEEL TRAILERING RATING

30,700 lbs.*

GROUND CLEARANCE

11.1"-11.2" SRW

10.4" DRW

CARGO VOLUME

69.5–83.5 cu. ft.*

MAX AVAILABLE CONVENTIONAL TRAILERING

20,000 lbs.*

MAX AVAILABLE PAYLOAD

6,006 lbs.*

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*