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2021 GMC Sierra Heavy Duty towing trailer on forest winding road

2021 GMC Sierra Heavy Duty Kenosha WI

The GMC Sierra Heavy Duty is a quality full-size pickup truck that showcases the heart of GMC. The GMC Sierra 2500HD and the 3500HD show what it’s like to be the workhouse of the pickup truck world. The 2021 GMC Sierra Heavy Duty received a plethora of new or improved trailer-assistance features including a new jack-knife alert, standard high-definition 360-degree camera, and Multipro tailgate. If you’re looking to get a 2021 GMC Sierra Heavy Duty for yourself, visit the Palmen GM dealership in Kenosha, WI today to get started on going home in a new pickup truck!

View Our GMC Sierra Heavy Duty Inventory

Performance Features

Technology Features

Comfort & Design Features

6.6-liter V8 Gasoline Engine
15-inch Diagonal Head-Up Display
Leather-wrapped heated steering wheel
6.6-liter Duramax® Turbo-Diesel V8 Engine
Rear View Camera Mirror
HVAC system with dual-zone climate control and rear-seat outlets
Allison® 10-speed Automatic Transmission
MultiPro™ Audio System by Kicker®
Dark Walnut/Dark Ash Grey Forge perforated leather seating surfaces
Traction Select System with Tow/Haul Mode and Off-Road Mode
Apple CarPlay® and Android Auto™
20-inch high-gloss black painted aluminum wheels

 

Test Drive the 2021 GMC Sierra in Milwaukee WI

The features chart above is just a small portion of what the 2021 GMC Sierra Heavy Duty has to offer. The 2021 GMC Sierra 2500HD and 3500HD also provides the following features:

  • Trailering mirrors
  • Heated and auto-dimming upper glass
  • LED turn-signal indicators/clearance lamps
  • Trailer Tire Pressure Monitor Sensors
  • Durable spray-on bedliner
  • Forward Collision Alert
  • Lane Departure Warning
  • Front and Rear Park Assist
  • Teen Drive Mode
  • And Much More!
The 2021 GMC Sierra Heavy Duty is in stock here at the Palmen GM dealership ready for you to take it home! Take a look at our online inventory and schedule a test drive of the 2021 GMC Sierra 2500 HD or the 3500HD. If you have any questions, please reach out to the sales team here at Palmen GM. We gladly serve Milwaukee, WI and the surrounding areas.
Interested in this model?
2021 GMC Sierra Heavy Duty close up of bed with spray on bedliner
2021 GMC Sierra Heavy Duty red exterior front fascia driving on empty road