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!
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 |