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Get Behind the Wheel of the 2021 GMC Sierra 3500HD

Glockner Chevrolet is proud to offer the 2021 GMC Sierra 3500HD. Recent updates include three new exterior colors, a standard GMC MultiPro tailgate on the SLE trim level, and power-retractable assist steps for the Denali, complete with LED perimeter lighting. The available 6.6-liter Duramax engine delivers up to 910 pound-feet of torque.

Unparalleled Towing Prowess

When properly equipped, the 2021 GMC Sierra 3500HD handles payloads of up to 7,442 pounds while offering up to 36,000 pounds of maximum towing capacity. Advanced features like the innovative transparent trailer view and available ProGrade Trailering System are designed to make towing duties easier and safer.


Exceptional Creature Comforts

Whether you choose the Sierra, SLE, SLT, AT4 or Denali trims, you'll find a 2021 GMC Sierra 3500HD that best suits your daily needs. The Denali trim offers exceptional luxury and comfort with features like perforated leather seating surfaces, genuine open-pore ash wood trim, and an available wireless charging pad.

Noteworthy Recognition

The 2021 GMC Sierra 3500HD earns high marks from Kelley Blue Book and J.D. Power, with the latter naming the heavy-duty pickup its winner of the Best Resale Value award for 2021 in recognition of its high residuals. The Sierra also earned the 2019 ALG Award for Innovation Convenience for its impressive MultiPro tailgate system.


Shop the 2021 GMC Sierra 3500 Today!

*Starting at price for base Sierra HD. The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details. Click here to see all GMC destination freight charges..