2026 GMC Sierra 3500 HD SLT

  • New
  • Diesel
$82,325MSRP
$75,209Today's Price
Value Your Trade
CASPER GMC CADILLAC
Location Details
Call 307-224-2982
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    The overview

    Exterior Color
    Summit White
    Interior Color
    Dark Walnut/Slate, Perforated Leather-appointed fr
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    6.6L Duramax Turbo-Diesel V8 engine
    VIN
    1GT4UUEY9TF315120
    Stock Number
    G7407
      • Basic: 3 Years/36,000 Miles
      • Corrosion: 3 Years/36,000 Miles, Rust-Through, 6 Years/100,000 Miles
      • Drivetrain: 5 Years/60,000 Miles, 3.0L & 6.6L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
      • Maintenance: First Visit: 12 Months/12,000 Miles
      • Roadside Assistance: 5 Years/60,000 Miles, 3.0L & 6.6L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
      • Warranty: <<< Preliminary 2026 Warranty >>>
      • Max seating capacity: 6
      • Fuel System: Direct Injection
      • Fuel tank capacity: 36 gal
      • Horsepower: 470
      • Towing capacity: 20000 lbs
      • 13.4" diagonal GMC Premium Infotainment System with Google built-in:
        • 13.4" diagonal GMC Premium Infotainment System with Google built-in, includes multi-touch display, AM/FM/SiriusXM1 radio capable
        • Bluetooth®2 streaming audio for music and select phones
        • Wireless Apple CarPlay™ capability for compatible phones3
        • Wireless Android Auto™ capability for compatible phones4
        • Customize and manage entertainment and vehicle feature setting
        • Use, control and manage select smartphone apps through the Infotainment system
        • Voice-activated technology for phone
      • 6-speaker audio system:
        • Speakers are positioned throughout the cabin for outstanding sound quality and an enjoyable listening experience
      • Bluetooth®:
        • Pair your compatible mobile phone to your vehicle's infotainment system1
        • Place and receive hands-free phone calls
        • Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system
        • With streaming audio capability, you can listen to files stored on your phone or Bluetooth digital media device
      • SiriusXM with 360L Trial Subscription:
        • With your trial subscription, new GM vehicles equipped with SiriusXM with 360L advance in-car technology will bring you closer to your favorite stars, artists, creators, hosts and athletes1
        • SiriusXM with 360L transforms your ride with our most extensive and personalized radio experience on the road that lets you enjoy ad-free music, talk and news, live sports, comedy, podcasts and more
        • Experience SiriusXM wherever you go in your vehicle and on the SiriusXM app with personalization features to make discovering your perfect entertainment easier than ever before
      • Wi-Fi® Hotspot capable:
        • Terms and limitations apply. See onstar.com or dealer for details.
        • May require additional optional equipment
      • Wireless phone projection:
        • For Apple CarPlay™1 and Android Auto™2
      • 18" LT275/70R18 all-terrain, blackwall spare tire:
        • May require additional optional equipment
      • 20" Bright face wheels with dark painted pockets
      • 20" LT275/65R20 all-terrain, blackwall tires
      • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
      • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
      • Cargo bed LED lighting:
        • Provides light to find cargo in the bed
        • May require additional optional equipment
      • Cargo tie-downs:
        • 12-fixed rated at 500 lbs. per corner
      • Chrome door handles
      • Chrome front bumper:
        • May require additional optional equipment
      • Chrome mirror caps
      • Chrome rear bumper:
        • With integrated CornerSteps
        • May require additional optional equipment
      • CornerStep rear bumper:
        • Helps make it easier to get into and out of the pickup bed
        • Located at each end of the rear bumper
        • Textured step pads to help provide secure footing
      • Deep-tinted glass:
        • Provides added protection from sun and glare
      • Front license plate bracket:
        • Front bracket is included if displaying a front license plate is required in your state
      • IntelliBeam:
        • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
      • LED fog lamps
      • Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass:
        • Chrome mirror caps
        • AT4 features high gloss Black mirror caps
        • Power folding/extending
        • Lower convex mirrors
        • Heated upper glass
        • Integrated turn signal indicators
        • Puddle lamps
        • Perimeter lighting
        • Auxiliary lighting
        • Extends 3.31-inches
      • Rainsense automatic wipers:
        • When turned on, will automatically clear the windshield when sensors detect varying degrees of precipitation on the windshield
      • Rear wheelhouse liners:
        • Help protect your truck's rear wheelhouse area from damage caused by dirt, rocks, mud, road salt and the weather
        • May require additional optional equipment
      • Side Bed Step:
        • Black textured step pads help provide secure footing
        • Integrated on forward portion of outer bed on driver and passenger side to provide ease of access to forward portion of the bed
      • Smoked Amber LED roof marker lamps:
        • Roof-mounted lamps near the front of the cab
      • Spare tire carrier lock:
        • Helps keep spare tire secure
      • Spray-on bedliner:
        • Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting
        • Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs
        • Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
        • Does not include spray-on liner on tailgate due to Black composite inner panel
        • Includes GMC logo on all trims except PRO
      • Stainless-steel beltline moldings
      • Standard tailgate
      • Tailgate and bed rail protection caps
      • Tailgate with EZ Lift assist, power lock & release:
        • Hitch area lighting
        • May require additional optional equipment
      • Winter Grille Cover:
        • May require additional optional equipment
      • 10-way power driver seat with power lumbar:
        • Includes 8-way power driver seat
        • Includes a 2-way power lumbar control
      • 10-way power front passenger seat:
        • Includes 8-way power front passenger seat
        • Includes a 2-way power lumbar control
      • 12.3" diagonal color Driver Information Center:
        • Includes driver personalization, warning messages and vehicle information
        • Replaces traditional analog gauges with fully reconfigurable high definition cluster layout
        • High definition display provides crisp, premium appearance
      • 120-volt box-mounted power outlet:
        • 3-prong auxiliary household-style outlet
        • Located in the pickup bed
        • May require additional optional equipment
      • 120-volt power outlet:
        • 3-prong auxiliary household-style outlet
        • Located on the instrument panel
        • Makes it convenient for powering laptops, phone chargers and other electronic devices
        • May require additional optional equipment
      • 13.4" diagonal GMC Premium Infotainment System with Google built-in:
        • 13.4" diagonal GMC Premium Infotainment System with Google built-in, includes multi-touch display, AM/FM/SiriusXM1 radio capable
        • Bluetooth®2 streaming audio for music and select phones
        • Wireless Apple CarPlay™ capability for compatible phones3
        • Wireless Android Auto™ capability for compatible phones4
        • Customize and manage entertainment and vehicle feature setting
        • Use, control and manage select smartphone apps through the Infotainment system
        • Voice-activated technology for phone
      • 40/20/40 split-bench front seat with under-seat storage:
        • Seating for up to 3
        • Driver and front passenger seatbacks recline
        • Head restraints at the outboard seating positions
        • Center seatback that doubles as a fold-down armrest with storage
      • All-weather floor liners:
        • Provides coverage for first and second-row seating
        • Feature a textured, anti-slip pattern that helps trap debris and water while providing carpet coverage
        • Include Brand logo
        • Replaces factory floor mats
      • Assist handles:
        • Front A-pillar mounted for Driver and Passenger
        • Rear B-pillar mounted
      • Carpeted floor covering:
        • Color-keyed to match the interior
      • Compass:
        • Located in instrument cluster
      • Cruise control:
        • Maintains a selected speed while driving
        • Automatically disengages when the vehicle's traction control system needs to limit wheelspin on slippery surfaces or when the StabiliTrak® stability control system detects an oncoming skid
        • Set and resume speed functions
        • Steering-wheel mounted controls to easily maintain and manage cruising speed
      • Driver memory:
        • Press memory button 1 or 2 to program and recall preferences
        • May require additional optional equipment
      • Dual-zone automatic climate control:
        • Automatically maintains the selected temperatures for both the driver and front passenger
        • Allows individual climate settings for both driver and front passenger
        • Driver and front passenger can choose a temperature up to 30 degrees difference
        • May require additional optional equipment
      • Front carpeted floor mats:
        • Helps protect your interior from road debris and the elements
        • Color-keyed to match the interior
        • Denali models feature unique premium tufted carpeting
      • Heated driver and front outboard passenger seats:
        • Separate buttons on the climate control panel allow you to choose from 3 levels of warmth
        • At the touch of a button you can warm the cushions and seatbacks with multilevel temperature control
        • Individually controlled
        • Seats can be programmed to automatically warm up when it's cold out
        • May require additional optional equipment
      • Heated steering wheel:
        • With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day
        • May require additional optional equipment
      • In-Vehicle Trailering App:
        • Checklist1
        • Trailer maintenance reminders
        • Trailer security alerts
        • Trailer mileage
        • Tow/haul reminder
        • Trailer electrical diagnostics
        • Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed
      • Inside rearview auto-dimming mirror:
        • Automatically dims the inside rearview mirror when it senses bright light from behind
        • When headlamp glare is no longer detected, the mirror returns to its normal state
      • Keyless Open and Start:
        • With the key fob in your possession, lock and unlock your car's doors by pressing the button on a front exterior door handle, increasing convenience
        • Lockout protection helps you avoid locking keys in the vehicle
      • Manual tilt and telescoping steering column:
        • Allows the driver to adjust the steering wheel up or down, and the steering column forward or back
        • May require additional optional equipment
      • Outside temperature display:
        • Located in infotainment display
      • Power door locks:
        • Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob (when equipped)
      • Power windows with driver and front passenger express-up/down:
        • Quickly raises the window or lowers it with the touch of a button
        • If obstruction is detected, the anti-pinch feature will auto-reverse
      • Power windows with driver express-up/down:
        • Quickly raises the window or lowers it with the touch of a button
        • If an obstruction is detected, the anti-pinch feature will auto-reverse
      • Power windows with rear express-down
      • Rear air vents:
        • Provides cabin comfort for rear occupants
      • Rear carpeted floor mats:
        • Helps protect your interior from road debris and the elements
        • Color-keyed to match the interior
        • Denali models feature unique premium tufted carpeting
      • Rear window defogger:
        • Utilizes a warming grid to help remove fog or frost from the rear window
      • Remote Start:
        • Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather and your preset preferences
        • Locks doors and turns on parking lamps while the engine is running
        • Activates the climate control system
      • Steering-wheel mounted controls:
        • Allow the driver to easily operate the audio system and phone interface controls
        • May require additional optional equipment
      • Theft-deterrent unauthorized entry system:
        • Sounds the horn and flashes the turn signals when someone attempts to open the vehicle without the proper key or remote transmitter
        • Helps deter unauthorized entry, helping to protect your vehicle
        • May require additional optional equipment
      • Up-level rear seat with storage package:
        • 60/40 Full-length folding bench seat
        • Seatback storage on left and right side
        • Center fold out armrest with 2 cupholders
        • Underseat storage (full cab width)
      • Wrapped steering wheel
      • 10-speed automatic transmission:
        • Tow/Haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
        • Electronically controlled with overdrive
        • Auto Grade Braking that automatically downshifts when needed to enable engine braking, helping to slow the vehicle on downhill grades and reduce brake wear (operates in Tow/Haul mode)
        • May require additional optional equipment
      • 12,100 lbs. GVWR:
        • When properly equipped; includes weight of vehicle, passengers, cargo and equipment
      • 3.42 rear axle ratio:
        • Requires a diesel engine
      • 4-wheel antilock disc brakes:
        • Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
        • DuraLife™ brake rotors feature a hardened surface to reduce corrosion and provide quieter braking with less vibration. DuraLife™ rotors are hardened and strengthened during the manufacturing process
        • Brake system features a corrosion-fighting process called Ferritic Nitro-Carburizing (FNC) which can double rotor life expectancy and reduce or minimize rust over non-FNC coated rotors
      • 6.6L Duramax Turbo-Diesel V8 engine:
        • 470 hp [350.5 kW] @ 2800 rpm
        • 975 lb-ft of torque [1322 Nm] @ 1600 rpm
        • 3.42 rear axle ratio
        • Exhaust brake
        • Engine block heater
        • Capped fuel fill
        • Paired with an Allison® 10-speed automatic transmission
        • Diesel Exhaust Fluid (DEF) fill located in fuel door
        • Engine after run feature for cooling performance
        • May require additional optional equipment
      • Air filtration monitoring:
        • Alerts the driver when the engine air filter needs replacement
      • Automatic locking rear differential:
        • When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction
        • The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm
      • Autotrac® 2-speed transfer case with push button controls:
        • 4-button control 2WD, Auto, 4WD, 4WD LO
        • 2WD High for most on-road and highway situations
        • 4WD High for snowy or wet roads when added traction is needed
        • 4WD Low for deep sand, mud or snow to provide maximum torque to all 4 wheels
        • When in AUTO mode, remains in 2WD mode until the system detects wheel slippage
          • Automatically engages 4WD until traction is regained
        • May require additional optional equipment
      • Brake pad wear indicator
      • Capped fuel fill:
        • Requires diesel engine or pickup bed delete
      • Diesel exhaust brake:
        • Reduces the amount of conventional braking needed while towing a heavy trailer or driving downhill
        • Uses the variable vanes in the turbocharger to smoothly and quietly create additional back pressure in the engine to help slow the vehicle
        • Works with the transmission's Tow/Haul mode and Auto Grade Braking to help the driver maintain the desired speed even on long, steep downgrades
        • Switch activated
        • May require additional optional equipment
      • Digital Variable Steering Assist:
        • This system automatically adjusts steering based on speed, road conditions, and other inputs to help reduce driver fatigue
      • Dual, 220 amp primary and 170 auxiliary amp alternators:
        • May require additional optional equipment
      • Engine block heater:
        • Helps ease cold weather starts
        • Heats the engine and engine block fluids
      • External auxiliary transmission oil cooler:
        • Heavy-duty air-to-oil cooler
        • Helps provides optimal transmission performance even when operating under a heavy load or towing a trailer
        • May require additional optional equipment
      • External engine oil cooler:
        • Heavy-duty air-to-oil cooler
        • Helps extend engine oil life under heavy loads
      • Fully boxed frame:
        • Hydroformed front section
        • High-strength steel
      • Gooseneck / 5th Wheel Prep Package:
        • Hitch platform to accept Gooseneck or 5th wheel hitch
        • Hitch platform with tray to accept ball and stamped box holes with caps installed
        • Box mounted 7-pin trailer harness
        • May require additional optional equipment
      • Heavy-Duty Air Filter:
        • Thick construction helps to trap more dirt before it can enter the air intake
      • Heavy-duty 730 cold-cranking amps battery:
        • 70 Amp-hr
        • Maintenance-free with rundown protection and retained accessory power
      • Integrated trailer brake controller:
        • Integrated with the antilock brake system (ABS)
        • Helps provide measured brake force signaling to electric-controlled trailer brake systems
        • Trailer gain and output are displayed in the Driver Information Center
      • Off-Road suspension:
        • May require additional optional equipment
      • Pickup bed:
        • Roll-formed high-strength steel
        • Includes bed assist step
      • Push Button Start
      • Skid plates:
        • Help protect the front underbody, oil pan and transfer case
        • May require additional optional equipment
      • Suspension Package:
        • Designed to help maintain handling and ride quality while towing a trailer or carrying a load
      • Gooseneck Hitch Package:
        • Gooseneck ball
        • Chain tiedown kit with case
        • May require additional optional equipment
      • ProGrade Trailering System:
        • Hitch Guidance with Hitch View
        • In-vehicle Trailering App
      • Sierra HD Pro Safety:
        • Forward Collision Alert1
        • Following Distance Indicator1
        • Front Pedestrian Braking1
        • IntelliBeam
        • Lane Departure Warning1
        • Buckle to Drive
        • Automatic Emergency Braking1
      • Snow Plow Prep / Camper Package:
        • Power feed to accommodate a backup and roof emergency light1
        • A single 220-amp alternator
        • Heavy-duty front springs
        • Under body skid plates to help protect the transfer case from debris
        • May require additional optional equipment
      • Trailering Package:
        • Trailer hitch1
        • Trailering hitch platform
        • Includes a 2.5" receiver hitch (with 2" insert), 4-pin and 7-pin connectors
        • 7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicle
        • Hitch Guidance2
        • May require additional optional equipment
      • X31 Off-Road Package:
        • Off-Road suspension
        • Hill Descent Control
        • Skid plates
        • Twin-tube Rancho shocks
        • X31 hard badge
        • May require additional optional equipment
      • X31 Off-Road and Protection Package:
        • X31 Off-Road Package
        • Off-Road suspension with Twin-tube Rancho® shocks
        • Hill Descent Control
        • Skid plates (transfer case and oil pan)
        • Spray-on bedliner
        • All-weather floor liners
        • X31 badge (replaces "4X4" badge on bed)
        • SLE includes 18" machined aluminum wheel with Dark Grey metallic accents and 18" all-terrain, blackwall tires
        • SLT includes 20" machined aluminum wheel with bright Silver accents and 20" all-terrain, blackwall tires
        • May require additional optional equipment
      • Trailering Information Label:
        • Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
      • LED Daytime Running Lamps
      • Signature LED Daytime Running Lamps
      • 6 airbags:
        • Dual-stage frontal airbags for driver and front outboard passenger1
        • Seat-mounted side-impact airbags for driver and front outboard passenger1
        • Head-curtain airbags for outboard seating positions1
        • Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
      • Buckle to Drive:
        • Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckled
        • The feature also reminds the front passenger to buckle up, if equipped
      • Following Distance Indicator:
        • Displays the following time in seconds between your vehicle and a detected vehicle in front of you1
        • Designed to help you maintain a safe following distance
      • Forward Collision Alert:
        • Warns you if it detects a potential collision with a detected vehicle you're following so you can take action1
        • Can also provide a tailgating alert if you're following a vehicle much too closely
      • Front Pedestrian Braking:
        • At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you1
        • Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking
        • Limited nighttime and low visibility performance
      • HD Rear Vision Camera:
        • Shows high-resolution digital image of area directly behind your vehicle while in Reverse1
        • Can help you park or avoid vehicles and objects
        • You can also display an overlay of where your vehicle is heading
        • Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly
        • May require additional optional equipment
      • Hitch Guidance:
        • When in Reverse, displays a centered guideline on the Rear Vision Camera view1
        • Can help you line up the hitch to your trailer
        • When driving, lets you check the trailer using Rear Vision Camera view
      • Hitch View:
        • Shows a close-up view of the trailer hitch1
        • In Reverse, the view can be used to line up your hitch to your trailer
        • When driving, the view can be used to check your trailer hitch
        • Shifting to Park automatically engages the Electric Parking Brake (if equipped)
        • May require additional optional equipment
      • Lane Departure Warning:
        • Alerts you when it detects that you are unintentionally drifting out of detected lane lines1
        • System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
      • OnStar Basics:
        • Drive confidently with core OnStar services including1
          • Remote commands
          • Built-in voice assistance
          • Real-time traffic and navigation
          • Automatic Crash Response to help if you're in need
      • OnStar® services capable:
        • See onstar.com for details and limitations. Services vary by model. Service plan required.
      • Rear Seat Belt Indicator
      • Rear Seat Reminder:
        • Helps to remind the driver to check the back seat(s) before leaving the vehicle1
        • Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on
        • Under certain conditions, once the vehicle is switched off, designed to sound audible chimes and display a visual message within the driver display
        • Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
      • Seat Belt Adjustable Guide Loops:
        • Front row only
      • Teen Driver:
        • Helps encourage safe driving habits for teens by providing an in-vehicle report card1
        • Activates certain safety systems, if equipped, when a Teen Driver-designated key fob is used
        • Mutes the radio until the front-seat occupants fasten their seat belts
      • Tire Pressure Monitoring System with Tire Fill Alert:
        • Monitors tire pressure and alerts of an under-inflated condition in one or more of the tires1
        • Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure
      • Automatic Emergency Braking:
        • Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology1
        • Can automatically provide hard emergency braking or enhance your hard braking
        • Works at speeds between 5 and 50 mph
      • Hill Descent Control:
        • Uses antilock braking to help provide a smooth, controlled descent
        • Helps driver maintain control of the vehicle without depressing the brake pedal
        • Activates by pushing a button below the instrument panel
        • May require additional optional equipment
      • StabiliTrak, electronic stability control system with traction control:
        • Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended path
        • Activates when vehicle sensors detect a difference between the driver's intended path and the direction the vehicle is actually travelling
        • Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roads
        • Includes Brake Assist which detects rapid brake pedal applications due to emergency braking situations and provides additional braking via the Antilock Brake System (ABS) module
        • Includes Trailer Sway Control
        • Hill Start Assist
      Vehicle Details
      Take command of serious capability with this 2026 GMC Sierra 3500 SLT 4WD, now available in Casper, WY. Powered by a proven V8 6.6L Diesel engine, this heavy-duty truck is built to tackle demanding jobs, tow with confidence, and handle Wyoming roads with ease. Inside, the SLT trim delivers a refined cabin with Leather Seats, a Heated Steering Wheel, and Steering Wheel Audio Controls for comfort and convenience on every drive. This GMC Sierra 3500 SLT is also equipped with an Off-Road Package, giving you added confidence when the pavement ends, while the Back-Up Camera helps make parking and trailer hookups easier. With 4WD capability and durable heavy-duty engineering, this truck is ready for work, recreation, and everything in between. If you need a dependable diesel truck in Casper WY, the 2026 GMC Sierra 3500 SLT deserves a closer look. Experience the strength, comfort, and advanced features that make this GMC Sierra a smart choice for drivers who demand more from their pickup. Contact us today to schedule your test drive and see why this GMC Sierra stands out in the full-size diesel truck segment. Visit today in Casper, WY to explore the GMC Sierra 3500 SLT in person and experience a hardworking heavy-duty pickup built for confidence, comfort, and control everywhere.

      Equipment
      The steering wheel audio controls on this GMC Sierra keep the volume and station within easy reach. The leather seats in it are a must for buyers looking for comfort, durability, and style. It's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Keep your hands warm all winter with a heated steering wheel in the GMC Sierra . An off-road package is equipped on the vehicle. Protect this model from unwanted accidents with a cutting edge backup camera system. Never get into a cold vehicle again with the remote start feature on it. The GMC Sierra offers Automatic Climate Control for personalized comfort. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving the vehicle. Anywhere on the planet, you will have hundreds of digital stations to choose from. Keep safely connected while in this 2026 GMC Sierra 3500 with OnStar. You may enjoy services like Automatic Crash Response, Navigation, Roadside Assistance and Hands-Free Calling.

      Packages
      X31 Off-Road and Protection Package: 20" Bright Face Wheels with Dark Painted Pockets; LT275/65R20 AT BW Tires; Spray-On Pickup Bedliner with GMC Logo; All-Weather Floor Liners. X31 Off-Road Package: Off-Road Suspension; Hill Descent Control; Skid Plates. Preferred Equipment Group 4SA: LED Cargo Area Lighting; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Electric Rear-Window Defogger; Unauthorized Entry Theft-Deterrent System; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 120-Volt Instrument Panel Power Outlet; Front 40/20/40 Split-Bench Seats with Lockable Storage; Heated Driver and Front Outboard Passenger Seats; 2 Charge/data USB Ports; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; 120-Volt Bed Mounted Power Outlet; Power Front Windows with Passenger Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; 6-Speaker Audio System Feature; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners; Chrome Surround Grille

      Peace of mind

      A name you can trust

      CASPER GMC CADILLAC is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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