prev
  • The 2018 GMC Sierra 3500HD Denali heavy duty pickup truck.
next

2018 GMC SIERRA 3500HD DENALI

STARTING MSRP:
$74,295
  • Includes A/C Tax
  • $1,000 Total Credits^
  • In your area  (Change)
MAX TRAILERING
UP TO 10,297KG (22,700 LB.)1

MORE TOOLS:

  • REQUEST A QUOTE

EXTERIOR

prev
  • Exterior of the 2018 Sierra 3500HD Denali pickup truck.
next
Exterior close-up of the 2018 GMC Sierra 3500HD Denali.

HIGH-STRENGTH STEEL

Nearly two-thirds of the Sierra cab structure is made from high-strength steel. 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.

The 2018 GMC Sierra 3500HD Denali high-strength steel cab structure.

SIGNATURE STYLE

  • Re-designed Denali chrome grille
  • 18-inch chromed aluminum wheels
  • 6-inch chrome tubular assist steps
  • HID projector-beam headlamps with GMC signature LED lighting
  • Hood scoop (induction system) on the Duramax®-equipped models provides additional airflow and contributes to the increased horsepower rating of the engine

The GMC signature LED lighting on the 2018 Sierra 3500HD Denali pickup truck.

PREMIUM DUTY

  • Vertical Trailering Mirrors
  • Spray-on bedliner
  • High-strength steel bed
  • CornerStep rear bumper
  • Available Amber Roof Marker Lamps (Standard with dual rear wheels)



OUR MOST POWERFUL DURAMAX® DIESEL EVER

prev
  • The 2018 GMC Sierra 3500HD Denali with our most powerful Duramax Diesel engine ever.
next
The 2018 Sierra 3500HD Denali Duramax Diesel engine.

THE AVAILABLE 6.6L DURAMAX® DIESEL ENGINE

  • 445 Horsepower
  • 910 lb.-ft. of torque
  • Diesel exhaust brake helps reduce the brake pad wear on steep grades
The 2018 Sierra 3500HD Denali available 6.6L Duramax Diesel engine.

ENHANCED DRIVELINE AND COOLING COMPONENTS

  • The induction system provides cooler airflow and contributes to the Duramax® engine’s class-leading2 diesel horsepower rating

 

The 2018 GMC Sierra 3500HD Denali noise attenuation elements and combustion improvements deliver quieter performance.

QUIETER OPERATION

  • This is the quietest idling Duramax® Diesel engine ever offered in a Sierra HD

TRAILERING & HAULING

prev
  • The 2018 Sierra 3500HD Denali is equipped with a 6.6L Duramax Diesel engine with 445 horsepower and 910lb.-ft. of torque.
next
The 2018 Sierra 3500HD Denali Available Digital Steering Assist feature.

CONTROL

  • Available Duramax® Diesel power and integrated trailering technologies give you the confidence to control heavy loads
  • StabiliTrak® with Hill Start Assist, Trailer Sway Control, and Traction Control
  • Digital Steering Assist which adapts steering input requirements to the situation

 

The 2018 GMC Sierra 3500HD Denali offers the Rear Vision Camera and Park Assist system.

VISION

  • Rear Vision Camera
  • Front and Rear Park Assist

 

The 2018 Sierra 3500HD Denali with maximum payload of up to 2,613 kg.

CAPABILITY

  • Maximum conventional trailering capacity of up to 9072 kg (20,000 lb.)1, maximum fifth-wheel/Gooseneck rating 10,297 kg (22,700 lb.)1
  • Maximum payload of up to 2613 kg (5761 lb.)3
  • Available Integrated Fifth-Wheel/Gooseneck Prep Package



INTERIOR

prev
  • Interior view of the 2018 GMC Sierra 3500HD Denali heavy duty pickup truck.
next
Comfortable interior features in the 2018 GMC Sierra 3500HD Denali.

LONG HAUL COMFORT

Standard features include:

  • Heated and ventilated, perforated leather-appointed front seats
  • Heated and leather-wrapped steering wheel
  • Durable soft-touch instrument panel
  • Aluminum trim accents

 

The 2018 Sierra 3500HD Denali uses triple door seals and hydraulic mounts for a quieter ride.

QUIET CABIN

  • Triple door seals that helps block outside noise
  • Aerodynamic exterior mirrors that reduce wind noise
  • Hydraulic body and engine mounts reduce vibration

 

The 2018 Sierra 3500HD Denali available large centre console with 110V power outlet.

ENHANCED USABILITY

  • Large centre console with space for hanging file folders, and laptops
  • 8-in. diagonal customizable Driver Information Centre
  • Wireless charging mat4 for compatible mobile devices
  • 110V power outlet

 


TECHNOLOGY

prev
  • The 2018 GMC Sierra 3500HD Denali offers the technology needed to stay connected and in control.
next
The 2018 GMC Sierra 3500HD Denali offers an 8 inch diagonal colour touch-screen with IntelliLink.

INTUITIVE INFOTAINMENT

  • 8-in. diagonal colour-touch screen Infotainment System5 with navigation6
  • Access to phone, maps, and weather
  • Bluetooth® connectivity7
The 2018 Sierra 3500HD Denali offers an available Bose premium sound system and HD radio.

PREMIUM AUDIO

  • Bose® Premium Sound System
  • HD radio


Apple CarPlay and Android Auto compatibility with myGMC mobile app, available with the 2018 Sierra 3500HD Denali.

CONNECTIVITY

  • Apple CarPlayTM and Android AutoTM compatibility8
  • OnStar® 4G LTE with built-in Wi-Fi® hotspot9 available
  • myGMCTM mobile app10 available with the 5-year OnStar Basic Plan11

 


SAFETY

The 2018 Sierra 3500HD Denali’s state-of-the-art safety and driver alert technologies provide peace of mind and help prepare you for the unexpected.

 

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 Owner's Manual for important feature limitations and information.

 

prev
  • The 2018 Sierra 3500HD Denali available state-of-the-art safety and driver alert technologies.
next
The 2018 GMC Sierra 3500HD Denali available Lane Departure Warning and Forward Collision Alert features.

DRIVER ALERTS

The Driver Alert Package features:

  • Lane Departure Warning
  • Forward Collision Alert
  • Safety Alert Seat

 

The 2018 Sierra 3500HD Denali available Front and Rear Park Assist feature, and rear vision camera.

DRIVER ASSIST FEATURES

These standard features provide clarity as you manoeuvre your Sierra 3500HD Denali:

  • Front and Rear Park Assist
  • Rear Vision Camera

 

The 2018 GMC Sierra 3500HD Denali with available OnStar service.

SAFE AND SECURE

  • Six airbags including front and rear head-curtain airbags12
  • Six-month trial period of the OnStar® Guidance Plan which includes Automatic Crash Response13, Turn-by-Turn Navigation14, Roadside Assistance15, and more.

PRO GRADE PROTECTION

prev
  • GMC Pro Grade Protection is standard on every 2018 GMC Sierra 3500HD Denali.
next

Standard on every 2018 GMC Sierra 3500HD Denali, GMC Pro Grade Protection has you truly protected with features and services, including:

  • 2-year/48,000 km16 Lube-Oil-Filter Maintenance
  • 3-year/60,000 km17 New-Vehicle Limited Warranty
  • 5-year/160,000 km17 Powertrain Limited Warranty
  • 5-Year/160,000 km17 Roadside Assistance & Courtesy Transportation