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2020 GMC Sierra Denali Changes, Updates, New Features

The 2020 GMC Sierra Denali receives minor updates to the Sierra 1500 light duty model, while the heavy duty Sierra 2500HD and 3500HD Heavy Duty models undergo a complete overhaul (redesign and re-engineering).

2020 GMC Sierra Denali 1500

An all-new, fourth-generation Sierra Light Duty was released for the 2019 model year. As such, the 2020 GMC Sierra Denali 1500 receives minor changes and updates.

Exterior

  • Deletion of Chrome Appearance Package
  • Smokey Quartz Metallic replaced with Carbon Black Metallic in second quarter of 2020
  • One new wheel option
    • 22-inch multi-dimensional polished aluminum wheels (SMF)
      • Exclusive to Denali models
  • New Trailer Tow Mirrors with the following functions:
    • Power-adjustable vertical with heated and auto-dimming upper glass, lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting and memory with power folding/manual extending feature

Interior

  • New all-weather floor liners
  • New Bed View Camera as part of Technology Package
    • See below for details on Technology Package content

Mechanical

Packages

Safety

  • Addition of Camera-based Adaptive Cruise Control as part of the aforementioned Driver Alert Package II
  • Addition of HD Surround Vision with two Trailer View Camera provisions, which the 2019 Sierra 1500 did not have

See details on all 2020 GMC Sierra 1500 changes, updates and new features here: 2020 GMC Sierra 1500 change log.

The updates and changes described here are specific to the U.S. market and may differ for other markets.

See complete 2020 GMC Sierra 1500 details and features, including powertrain options and availability, here: 2020 GMC Sierra 1500.


2020 GMC Sierra Denali 2500HD & 3500HD

GMC says the all-new Sierra HD is “bigger, stronger and smarter,” and that it combines greater trailering capability with technologies designed to provide customers with a world-class towing experience.

“Trailering is the most important consideration for Sierra Heavy Duty customers, and the new features and technologies in the 2020 Sierra HD make it easier than ever to hitch a trailer and tow it confidently,” said Jaclyn McQuaid, vehicle chief engineer, Heavy Duty Trucks. “We’ve developed this new truck to offer the greatest trailering experience ever offered by GMC.”

Here are some highlights of the all-new 2020 Sierra HD:

Exterior

Interior

  • New interior design
  • Introduction of next-generation GMC infotainment system (third-generation)
  • Introduction of new towing tools

Mechanical

See complete 2020 GMC Sierra HD details and features, including models, trims and availability, here: 2020 GMC Sierra HD.

The updates and changes described here are specific to the U.S. market and may differ for other markets.


Discussion

Discuss the 2020 GMC Sierra Denali in our GMC forum.

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