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  • Masthead image of the 2018 GMC Sierra 2500 Denali HD premium heavy-duty pickup truck.
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EXTERIOR

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Exterior image showing the front end of the 2018 GMC Sierra 2500 Denali HD premium heavy-duty pickup truck.

HIGH-STRENGTH STEEL

Nearly two-thirds of the Sierra cab structure is made from high-strength steels. It’s a fortress of strength that contributes to the Sierra’s quiet cabin. We also use high-strength steel in our fully-boxed frame rails and major frame cross-members.


Exterior image showing the front end of the 2018 GMC Sierra 2500 Denali HD premium heavy-duty pickup truck.

SIGNATURE STYLE

  • Hood scoop (induction system) on the Duramax-equipped models provides cooler airflow and contributes to the horsepower rating of the engine
  • Projector-beam headlamps with HID bulbs
  • LED signature front lighting
Exterior image showing the left side mirror of the 2018 GMC Sierra 2500 Denali HD premium heavy-duty pickup truck.

PREMIUM DUTY

  • Available Premium Trailering Mirrors
  • High-strength steel bed
  • CornerStep rear bumper
  • Available Amber Roof Marker Lamps

OUR MOST POWERFUL DURAMAX DIESEL EVER

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Image of the all-new 6.6L Duramax diesel engine, available in the 2500 Denali HD premium heavy-duty pickup truck.

THE AVAILABLE 6.6L DURAMAX DIESEL ENGINE

  • 445 Horsepower
  • 910 lb.ft. of torque
  • Diesel exhaust brake helps reduce brake pad wear on steep grades
Image of the Duramax logo, featuring enhanced driveline and cooling components.

ENHANCED DRIVELINE AND COOLING COMPONENTS

  • The induction system provides cooler airflow and contributes to the Duramax engine’s class leading diesel horsepower rating

Image of the all-new fuel system and acoustic treated rocker covers, quieting the Duramax diesel engine.

QUIET OPERATION

  • This is the quietest idling Duramax diesel engine ever offered in a Sierra HD.

TRAILERING & HAULING

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Image of integrated trailering technologies that give you the confidence to control heavy loads.

CONTROL

  • Available Duramax Diesel power and integrated trailering technologies help give you the confidence to control heavy loads.
  • Stabilitrak with Hill Start Assist, Trailer Sway Control and Traction Control
  • Available Digital Steering Assist which adapts steering input requirements to the situation
Image of available rear vision camera on the 2018 Sierra 2500 Denali HD heavy-duty pickup truck.

VISION

  • Available Accessory Trailering Camera System by Echomaster3
  • Rear Vision Camera
  • Available Front and Rear Park Assist
Image of the truckbed of the 2018 Sierra 2500 Denali HD, capable of carrying up to 4,044 lbs.

CAPABILITY

  • Maximum Gooseneck/Fifth-Wheel trailering capacity of 18,100 lbs2
  • Maximum payload of 3,534 lbs4
  • Available Gooseneck/Fifth Wheel Prep Package. Learn More on GMC Life.

INTERIOR

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Photo of the available heated and ventilated front seats of the 2018 Sierra 2500 Denali HD pickup truck.

LONG HAUL COMFORT

In addition to standard dual-density seat foam, your premium cabin is enhanced with available materials and features including:

 

  • Heated and ventilated, perforated leather-appointed front seats
  • Heated and leather-wrapped steering wheel
  • Durable soft-touch instrument panel
  • Standard aluminum trim accents
Photo of the triple door seals that help block outside noise in the 2018 Sierra 2500 Denali HD pickup truck.

QUIET CABIN

  • Triple door seals that help block outside noise
  • Aerodynamic exterior mirrors that help reduce wind noise
  • Hydraulic body and engine mounts help reduce vibration
Photo of the triple door seals that help block outside noise in the 2018 Sierra 2500 Denali HD pickup truck.

ENHANCED USABILITY

Available large center console with space for hanging file folders, and laptops

 

  • 110V power outlet
  • Locking underseat storage on SLE models with bench seating
  • Wireless charging pad5

TECHNOLOGY

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Image of available IntelliLink with 8" color-touch screen in the 2018 Sierra 2500 Denali HD pickup truck.

INTUITIVE INFOTAINMENT

  • Available 8” diagonal GMC Infotainment System6
  • Access to phone, maps, and weather
  • Bluetooth® connectivity7
  • Download select in-vehicle apps via Shop
Image of available Bose premium speaker system in the 2018 Sierra 2500 Denali HD pickup truck.

PREMIUM AUDIO

  • Available Bose® Premium Speaker System
  • Available HD radio
Image of a tablet using the available 4G Wi-Fi Hotspot in the 2018 Sierra 2500 Denali HD pickup truck.

CONNECTIVITY

  • Available 4G Wi-Fi Hotspot8
  • OnStar Guidance Plan limited trial period9
  • myGMC mobile app10

SAFETY

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Image showing the driver alert technology in the 2018 Sierra 2500 Denali HD heavy-duty pickup truck.

DRIVER ALERTS

Available driver alert features include:

 

  • Lane Departure Warning
  • Forward Collision Alert
  • Safety Alert Driver Seat
Image showing the driver assist technology in the 2018 Sierra 2500 Denali HD heavy-duty pickup truck.

DRIVER ASSIST FEATURES

These features help provide clarity as you maneuver your Sierra HD:

 

  • Available Front Park Assist
  • Rear Park Assist
  • Rear Vision Camera

Image showing the OnStar logo, providing safety and security in the 2018 Sierra 2500 Denali HD heavy-duty pickup truck.

SAFE AND SECURE

  • Up to six available airbags11 including front head-curtain side-impact airbags
  • OnStar Automatic Crash Response limited service trial period9
  • OnStar Roadside Assistance limited service trial period

GMC SAFETY MESSAGE

Safety features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. The driver should remain attentive to traffic, surroundings and road conditions at all times. Read the vehicle’s Owner’s Manual for important feature limitations and information.

Your safety is very important to us. If you want to determine whether or not there is a recall on your current vehicle or on a vehicle you are considering, visit safercar.gov or call (888) 327-4236.


TRIMS

KEY
= Standard
A = Available
= N/A


FEATURES

SIERRA

SIERRA

SLE

SLE

SLT

SLT

ALL TERRAIN

ALL TERRAIN

DENALI

DENALI

HID Projector Beam Headlamps with LED Signature Lighting

Digital Steering Assist

A A A

6.6L V8 DURAMAX Diesel

A A A A A

Heavy-Duty Automatic Locking Rear Differential

Black Trailering Mirrors

A

Chrome Trailering Mirrors

A

Fog Lamps

A

LED Cargo Box Lighting

A

Trailering Equipment Package

Rear Vision Camera

EZ-Lift and Lower Tailgate

Leather-Appointed Front Seating

A

Spray-on Bedliner

A A A

Remote Vehicle Starter System

A

Integrated Trailer Brake Controller

Front and Rear Park Assist

A A

Heated and Ventilated Front Leather-Appointed Seats

A

Bose Sound System

A

4.2-inch Diagonal Driver Information Center

8-inch Diagonal Driver Information Center w/ Color Customizable Display

CREW CAB STARTING MSRP1

$38,525

$44,885

$49,820

$56,120

$55,945


ALL TERRAIN

The 2018 GMC Sierra HD All Terrain Package lets you trailer and haul your payload wherever you need to; whether that takes you on a paved road – or off one. Front and rear body-color bumpers, a more aggressive grille and distinct badging let you do it with style and presence.

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ALL TERRAIN

OFF-ROAD CAPABILITY

  • All-Terrain tires
  • Twin tube Rancho® brand shocks
  • Underbody Shield
  • Off-Road Driver Information Center graphics

EXTERIOR

  • Front and Rear Body-color Bumpers
  • All Terrain Grille insert with body color Surround
  • All Terrain badging on front doors and tailgate
  • Spray-on bedliner
  • Black painted mirror caps
  • Body color door handles
  • Body color body side moldings
  • Black belt moldings
  • Black front bumper skid plate and 4” black round assist steps

INTERIOR

  • Heated Steering Wheel
  • Sill Plates
  • All-weather floor liners
  • Front leather-appointed bucket seats

ALL TERRAIN X

Includes All Terrain content, plus the following additions or substitutions:

 

  • 18" Black painted aluminum wheels
  • 275/65R18 Goodyear Wrangler mud-terrain-rated DuraTrac® tires
  • Black sport side steps
  • Black bed mounted Sport Bar12
  • Black uplevel Power adjustable and folding trailering mirrors
  • Black "B" pillar vinyl wrap
  • Black front bumper skid plate
  • Learn more on GMC Life

PRO GRADE PROTECTION

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Standard on every 2018 GMC Sierra 2500HD heavy-duty truck, GMC Pro Grade Protection has you truly protected with features and services, including:

 

  • Two maintenance visits (includes DEF for diesel)13
  • 3-year/36,000-mile Bumper-to-Bumper Limited Warranty14
  • 5-year/60,000-mile Powertrain Limited Warranty14
  • 5-Year/60,000-mile Roadside Assistance & Courtesy Transportation14
  • HD Duramax Diesel 5 year/100,000-mile Powertrain Limited Warranty14
  • HD Duramax Diesel 5 year/100,000-mile Roadside Assistance & Courtesy Transportation14
  • Limited service trial of OnStar Guidance Plan with a suite of emergency security and diagnostic services9
  • 5-year OnStar Basic Plan15

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