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  • The 2016 GMC Sierra 3500 Denali HD heavy-duty truck is more powerful than ever, with a Duramax 6.6L V8 Turbo Engine.
    Sierra HD Powertrain
  • Power-Folding Trailering Mirrors and a rear vision camera help you trailer and tow safely and confidently with your 2016 GMC Sierra 3500 Denali HD truck.
    Sierra HD Trailering
  • The 2016 GMC Sierra 3500 Denali HD pickup truck offers safety technologies like Forward Collision Alert and Lane Departure Warning.
    Sierra HD Safety
  • StabiliTrak technology in the 2016 GMC Sierra 3500 Denali HD pickup truck helps keep your vehicle safely on its intended path.
    Sierra HD Cargo Box
  • Access your cargo box with ease, thanks to advanced cargo box innovations on the 2016 GMC Sierra 3500 Denali HD heavy-duty truck.
    Sierra HD Stabilitrak
  • The 2016 GMC Sierra 3500 Denali HD truck offers an available fully automatic locking rear differential for on- or off-road use.
    Sierrra HD Auto Locking Differential
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  • Sierra HD Powertrain 00:44
  • Sierra HD Trailering 00:52
  • Sierra HD Safety 00:43
  • Sierra HD Cargo Box 00:30
  • Sierra HD Stabilitrak 00:38
  • Sierra HD Auto Locking Differential 00:31
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