Denali Features

DOMINANT PULLING POWER.

The power of the available Allison® 10-speed automatic transmission, the first in a heavy-duty truck in its class, and available 6.6L Duramax® Turbo-Diesel V8 engine is maximized so you can tow with command and control.

GMC 2021 Sierra 3500 HD Denali

TECHNOLOGY TO TOW SMART.

Available technologies such as the class-leading available up to 15 camera views and 15" diagonal Head-Up Display let Denali drivers tow smarter, not harder.

GMC 2021 Sierra 3500 HD Denali

PURPOSE-BUILT EXTERIOR.

Denali’s eye-catching exterior features many exclusives that help give the vehicle its signature look: Signature Denali grille with high-gloss mesh and chrome inserts, 6" chrome Assist Steps, chrome Vertical Front Recovery Hooks, standard 20" Multi-Dimensional Polished Aluminum Wheels and more.

GMC 2021 Sierra 3500 HD Denali

EXCLUSIVE PREMIUM INTERIOR.

The spacious, comfortable cabin features innovative driver-centric technologies, premium materials such as authentic open-pore ash wood, brushed aluminum trim, chrome accents and a ton of Denali exclusives: premium interior colors, Forge perforated leather seating surfaces with front heated and ventilated bucket seats and more.

GMC 2021 Sierra 3500 HD Denali

Baton Rouge, Louisiana

The best place to find your perfect ride.

The 2021 GMC Sierra 3500HD Denali will get you noticed on the road in Baton Rouge, LA. The luxurious, heavy-duty truck is huge and built to get things done while delivering a commanding presence on the road.

Whether hauling heavy loads on a Louisiana freeway or driving on swampy roads, you'll get there easier with this big pick-up. Need more convincing? Keep reading to learn abut the 2021 Sierra 3500HD Denali's exterior, performance, interior, technology, and safety features.

GMC 2021 Sierra 3500 HD Denali

Powerful Presence

The Exterior

The GMC Sierra 3500HD Denali 2021 edition offers a 4WD crew cab with a standard or long box. GMC gave the 2021 3500HD Denali a bold exterior with attention to details including chrome details, a massive grille, a variety of exterior colors, and dark tint windows.

Denali’s eye-catching exterior features many exclusives that help give the vehicle its signature look: Signature Denali grille with high-gloss mesh and chrome inserts, 6" chrome Assist Steps, chrome Vertical Front Recovery Hooks, standard 20" Multi-Dimensional Polished Aluminum Wheels and more.

GMC 2021 Sierra 3500 HD Denali

THE INTERIOR

PREMIUM DENALI INTERIOR

The 2021 Sierra 3500HD continues to impress truck buyers with its interior features. The cabin of the truck is spacious and offers a variety of Denali-exclusive features including dual climate control, all-weather floor liners, premium backseats, large cargo storage areas and a cargo organizer too.

GMC 2021 Sierra 3500 HD Denali

The Innovation

Advanced Technology

1

GMC left nothing out when adding technology to the 2021 edition of the 3500HD Denali. The technologically advanced heavy-duty truck features advanced connectivity options, superior convenience via an easy-to-use infotainment system and a BOSE sound system. The car's Bluetooth technology easily connects to Amazon Alexa, Apple Carplay, and Android Auto too. The truck also offers Sirius XM.

2

Easily keep tabs on your truck and trailer with up to 15 different available camera views including HD Surround Vision, Rear Camera Mirror and Bed View Camera — more than any competitor — to optimize the view around the truck and compatible trailers.

3

GMC 2021 Sierra 3500 HD Denali

Powerfully Efficient

The Performance

Baton Rouge drivers can count on the Sierra 3500HD Denali to perform anywhere at anytime. Drivers can choose between the 6.6L V8 engine or the 6.6L V8 diesel engine. Depending on engine choice, the 2021 heavy-duty Denali will deliver 401 to 445 horsepower and torque that ranges from 464 to 910.

If you're hauling a boat or trailer, the 3500HD GMC Denali won't let you down. The pick-up has an outrageous towing capacity of 14,500lbs and payload of 4,403 to 4,441.

GMC 2021 Sierra 3500 HD Denali

GMC Pro Safety Plus

The Safety

When it comes to safety, you can count on the 3500HD Denali to keep you safer on the road, especially when hauling a trailer. GMC offers 15 camera views to help you keep an eye on your truck and what you're towing at the same time. In addition to a powerful camera, the vehicle also offers safety and driver lane departure assistance to help you and your trailer stay on the right side of the road.

Front and rear parking assistance is also available to make parking easier. The ProGrade Trailering System is also an added bonus for anyone that wants the Denali to get stuff done. With advanced lighting, side bed steps and much more, the GMC Sierra 3500HD is equipped to handle anything life hands you throughout the day.

GMC 2021 Sierra 3500 HD Denali

AVAILABLE LANE DEPARTURE WARNING

Uses a brief, gentle steering wheel turn to alert you when you may be unintentionally drifting out of detected lane lines, so you can steer to stay safely in your lane. If needed, you may receive additional Lane Departure Warning alerts. System alerts do not occur if you’re using your turn signal or it detects that you are intentionally leaving your lane. Available on SLE, SLT and AT4. Standard on Denali.

GMC 2021 Sierra 3500 HD Denali

AVAILABLE FRONT & REAR PARK ASSIST

Front and Rear Park Assist provides distance alerts to nearby detected objects to help you park and avoid objects at low speeds. Available on base Sierra HD, SLE, SLT and AT4. Standard on Denali.

GMC 2021 Sierra 3500 HD Denali

AVAILABLE AUTOMATIC EMERGENCY BRAKING

Automatic Emergency works with Forward Collision Alert to help you avoid or reduce the severity of a front-end collision with a detected vehicle you are following. This feature works at speeds below 50 MPH. Camera technology is used to automatically provide hard emergency braking or enhance the driver’s hard braking. Available on base Sierra HD, SLE, SLT and AT4. Standard on Denali.

GMC 2021 Sierra 3500 HD Denali

AVAILABLE REAR CROSS TRAFFIC ALERT

Rear Cross Traffic can alert you to detected left- or right-cross traffic behind you when in Reverse. Available on Sierra HD, SLE, SLT, and AT4. Standard on Denali.

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Explore Sierra 3500 HD Denali

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