Features may include:
INTERIORGet comfortable with available features such as premium perforated leather-appointed front outboard seats and a heated wrapped steering wheel.
Available 10-way power-adjustable front heated and ventilated bucket seats with perforated leather appointments.
Get a grip on an available heated steering wheel on chilly days.
Take charge in the roomy, well-appointed cabin—with a tall, commanding view.
EXTERIORSierra Heavy Duty looks every inch the premium pulling machine.
See and be seen with new LED projector headlamps with GMC signature animated lighting sequences.
Sierra Heavy Duty’s cargo bed is long and wide and features more cargo bed volume than any competitor in its class. The bed height makes for comfortable lift-in loading and is optimized for gooseneck/fifth-wheel trailer clearance.
To further heighten the view of your surroundings, Sierra Heavy Duty offers mirrors with available features such as power-extension, -retraction and -folding capabilities, auxiliary spot lamps, amber clearance lamps, auto-dimming upper glass and perimeter lighting.
TECHNOLOGYSierra Heavy Duty’s available massive customizable screens and advanced tech help keep you informed and in command.
An available 13.4" diagonal tablet-style touch-screen—the largest in its class—is the customizable, high-tech centerpiece of the cabin.
Sierra Heavy Duty features an available 12.3" diagonal digital Driver Information Center. Control and customize important vehicle, driving and infotainment content with high-resolution clarity.
Connect your compatible smartphone to wireless Apple CarPlay® or wireless Android Auto† compatibility for a more integrated in-vehicle experience.
CAPABILITYSierra Heavy Duty is strong and smart, offering an advanced suite of available intelligent trailering technologies to help you stay in command.
Sierra Heavy Duty’s world-class towing capability is enhanced for 2024 with an available 6.6L Duramax Turbo Diesel V8 Engine and an all-new, more efficient turbocharger.
Available advanced tech allows you to trailer with enhanced confidence and improved camera views. Additionally, ProgradeTM Trailering Tech is an available advanced suite of intelligent technologies which help streamline the hitching and towing process with integrated tools that helps enhance your sense of safety, confidence, and visibility.
Adaptive Cruise Control with trailering is an all-new technology for Sierra Heavy Duty. It allows the Sierra Heavy Duty’s available Adaptive Cruise Control to account for additional drag and increased braking distances when towing a trailer.