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  • The 2018 GMC Sierra 3500HD Denali offers an 8 inch diagonal colour touch-screen with IntelliLink.
    AN 8-IN. DIAGONAL COLOUR-TOUCH SCREEN AUDIO SYSTEM WITH NAVIGATION1 IS STANDARD ON THE SIERRA 3500HD DENALI
  • The 2018 GMC Sierra 3500HD Denali available Lane Departure Warning and Forward Collision Alert features.
    THE 2018 SIERRA 3500HD DENALI’S SAFETY AND DRIVER ALERT TECHNOLOGIES, LIKE FORWARD COLLISION ALERT HELPS ALERT YOU TO THE UNEXPECTED
  • The 2018 Sierra 3500HD Denali Available Digital Steering Assist feature.
    EASY-TO-REACH CONTROLS OFFER SAFETY AND CONVENIENCE FEATURES. SHOWN WITH AVAILABLE FEATURES
  • Interior view of the 2018 GMC Sierra 3500HD Denali heavy duty pickup truck.
    SIERRA 3500HD DENALI WITH JET BLACK INTERIOR
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AN 8-IN. DIAGONAL COLOUR-TOUCH SCREEN AUDIO SYSTEM WITH NAVIGATION1 IS STANDARD ON THE SIERRA 3500HD DENALI