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  • The 2018 Sierra 2500HD Denali with maximum payload of up to 2,613 kg.
    A DURABLE SPRAY-ON BEDLINER PROTECTS YOUR TRUCK BED FROM SCRATCHES AND DENTS
  • The GMC Sierra family lineup.
    THE SIERRA FAMILY LINEUP
  • The 2018 GMC Sierra 2500HD Denali helps you secure cargo with four upper tie-downs.
    FOUR UPPER TIE-DOWNS MAKE IT EASIER TO SECURE CARGO
  • The 2018 GMC Sierra 2500HD Denali with our most powerful Duramax Diesel engine ever.
    2018 SIERRA 2500HD DENALI WITH AVAILABLE DURAMAX® DIESEL.
  • The 2018 GMC Sierra 2500HD Denali with available Duramax Diesel engine.
    THE AVAILABLE DURAMAX® DIESEL ENGINE IS THE QUIETEST ENGINE EVER OFFERED IN A SIERRA HD.
  • The 2018 Sierra 2500HD Denali available 6.6L Duramax Diesel engine.
    2018 SIERRA 2500HD DENALI WITH OUR MOST POWERFUL AVAILABLE DURAMAX® DIESEL EVER.
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A DURABLE SPRAY-ON BEDLINER PROTECTS YOUR TRUCK BED FROM SCRATCHES AND DENTS