Used 2024 GMC Sierra 3500HD SLE

The 2024 GMC Sierra 3500HD SLE 4WD Crew Cab Long Box is engineered for serious capability, built to handle the toughest jobs while delivering modern technology and everyday comfort. With its commanding heavy-duty stance, powerful Duramax diesel performance, and advanced trailering technology, this Sierra HD is designed for drivers who demand strength, reliability, and refinement in one impressive pickup. 

Performance & Capability 

• Engine: 6.6L Duramax® V8 Turbo-Diesel delivering immense torque and heavy-duty performance for demanding workloads 

• Transmission: Allison® 10-speed automatic transmission engineered for smooth shifting and exceptional towing performance 

• Drivetrain: Robust 4WD system with a two-speed electronic transfer case for confident traction on worksites, highways, and rough terrain 

• Rear Axle Ratio: 3.42 rear axle ratio balancing strong pulling capability with highway efficiency 

• Auto-Locking Rear Differential helping maximize traction when roads or terrain become challenging 

• Heavy-Duty Cooling Systems including engine oil cooler and transmission oil cooler to maintain performance under heavy loads 

• Exhaust Brake System improving downhill control and braking confidence while towing 

• 220-Amp Alternator and Heavy-Duty Air Filter supporting demanding worksite electrical loads and durability 

• High Idle Switch allowing optimized engine operation when powering equipment or operating in extreme conditions 

Trailering & Work-Ready Equipment 

• Gooseneck / 5th Wheel Prep Package with integrated bed mounts and wiring harness for heavy-duty towing setups 

• Integrated Trailer Brake Controller providing smoother, more controlled braking while hauling 

• Hitch Guidance System assisting with easier and more precise trailer connections 

• Heavy-Duty Trailering Equipment Package built for hauling large trailers, equipment, or recreational vehicles 

• Spray-On Bedliner protecting the bed from scratches, corrosion, and everyday jobsite wear 

• EZ Lift Power Lock & Release Tailgate making loading and unloading easier and more convenient 

• GMC MultiPro Tailgate offering multiple configurations for improved cargo access and worksite functionality 

Winter & Weather Comfort 

• Engine Block Heater ensuring reliable starts during cold winter mornings 

• Winter Grille Cover helping maintain optimal engine temperature in extreme cold climates 

• Deep Tint Rear Glass reducing glare and helping keep the cabin cooler during warmer weather 

• High-Capacity Heating and Defrost System keeping the cabin comfortable during harsh winter conditions 

Interior Comfort & Convenience 

• Crew Cab Interior offering generous space for passengers and gear with exceptional rear-seat legroom 

• Front 40/20/40 Split-Bench Seating providing flexibility for passengers or additional storage space 

• 60/40 Folding Rear Bench Seat allowing expanded cargo versatility inside the cab 

• Push-Button Start & Keyless Open enabling convenient access and ignition 

• Power Windows with Driver Express Up/Down and Rear Express Down for effortless operation 

• Power Door Locks adding everyday convenience 

• Rubberized-Vinyl Floor Mats helping protect the interior from dirt, mud, and jobsite debris 

• Manual Tilt & Telescopic Steering Column allowing drivers to find a comfortable driving position 

• Rear Air Vents improving comfort for passengers in the back seat 

Technology & Connectivity 

• 13.4" GMC Premium Infotainment Touchscreen with Google built-in for navigation, apps, and voice assistance 

• 12" Digital Driver Information Center with customizable displays for vehicle data and trailering information 

• Wireless Apple CarPlay® & Android Auto™ Compatibility for seamless smartphone integration 

• 6-Speaker Audio System delivering clear sound for music and media 

• OnStar® & GMC Connected Services Capability with available Wi-Fi hotspot functionality 

• SiriusXM® Capability offering a wide range of entertainment options on the road 

• Steering Wheel Audio Controls keeping entertainment and calls easily accessible 

Safety & Driver Assistance 

• GMC Pro Safety Suite providing advanced safety technologies for added driver confidence 

• Forward Collision Alert with Automatic Emergency Braking helping reduce the risk of frontal collisions 

• Lane Departure Warning alerting drivers when unintentional lane drifting is detected 

• Front Pedestrian Braking assisting in detecting pedestrians and helping avoid potential impacts 

• Following Distance Indicator helping maintain a safe gap from the vehicle ahead 

• HD Rear Vision Camera improving visibility when reversing or aligning trailers 

• Teen Driver Technology & Buckle-to-Drive encouraging safer driving habits 

Exterior Styling & Utility 

• 18" Machined Aluminum Wheels with Dark Grey Accents providing a bold and durable look 

• All-Terrain Tires designed to handle worksites, gravel roads, and changing weather conditions 

• LED Headlamps with IntelliBeam® Automatic High Beams delivering improved nighttime visibility 

• Chrome Front and Rear Bumpers adding durability and classic GMC styling 

• Black Front Recovery Hooks ready for demanding recovery situations 

• CornerStep Rear Bumper allowing easier access to the cargo bed 

• Long Box Cargo Bed offering extended hauling capacity for tools, equipment, or large loads 

• Onyx Black Exterior Finish giving the truck a strong and commanding appearance 

Whether hauling heavy equipment, towing large trailers, or tackling demanding workdays, the 2024 GMC Sierra 3500HD SLE 4WD Crew Cab Long Box delivers uncompromising strength, advanced technology, and dependable heavy-duty performance. Built to work as hard as you do, it’s a truck designed to take on the toughest tasks with confidence and capability.