2026 GMC Sierra SLE
GMC Sierra Details
Automatic
V8, 6.6L
SUMMIT WHITE
4WD
Diesel
0 Miles
JET BLACK
G7136
1GT4UTEYXTF139950
3500
Cloth
SLE
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 3500 SLE 4WD V8 6.6L Diesel — located in Casper, WY — delivers the capability and reliability Wyoming drivers demand. This heavy-duty pickup pairs a torquey 6.6L V8 diesel with four-wheel drive for confident towing, hauling, and off-road performance. Built for work and everyday comfort, the GMC Sierra 3500 SLE features remote start for convenience in extreme weather, XM Radio for entertainment on long hauls, and steering wheel audio controls to keep focus on the road. Safety and driver assistance are priorities: Lane Departure Warning helps prevent unintended lane drift while the Back-Up Camera improves visibility for easier maneuvering and trailer hookups. Inside, the cabin balances durability and comfort with practical storage, supportive seating, and intuitive controls designed for busy crews and weekend adventurers alike. This GMC Sierra 3500 is competitively priced and represents the best price in the Casper, WY area for a 2026 heavy-duty diesel with this equipment level. Whether you're towing a fifth-wheel, transporting construction gear, or navigating snowy mountain passes, the 3500 SLE's diesel torque and 4WD capability provide dependable performance. Contact us to schedule a test drive and experience the power, technology, and value of this 2026 GMC Sierra 3500 SLE in Casper, WY. Financing options and local trade-in evaluations are available.
Equipment
It features steering wheel audio controls. The GMC Sierra's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. This 1 ton pickup offers Automatic Climate Control for personalized comfort. This model is pure luxury with a heated steering wheel. This model is equipped with the latest generation of XM/Sirius Radio. Never get into a cold vehicle again with the remote start feature on it. See what's behind you with the back up camera on it. Maintaining a stable interior temperature in this model is easy with the climate control system. Quickly unlock it with keyless entry. The vehicle shines with clean polished lines coated with an elegant white finish. This GMC Sierra has four wheel drive capabilities. The vehicle has a V8, 6.6L high output engine. Keep safely connected while in this unit with OnStar. You may enjoy services like Automatic Crash Response, Navigation, Roadside Assistance and Hands-Free Calling.
Packages
SLE Convenience Package: Manual Tilt-Wheel/telescoping Steering Column; 10-Way Power Driver Seat Adjuster with Lumbar; LED Fog Lamps; LED Smoked Amber Roof Marker Lamps; Dual-Zone Automatic Climate Control. SLE Value Package: Spray-On Pickup Bedliner with GMC Logo. Preferred Equipment Group 3SA: 120-Volt Bed Mounted Power Outlet; 4-Way Manual Driver Seat Adjuster; 2-Speed Electronic Shift Transfer Case; SiriusXM with 360L Trial Subscription; Deep-Tinted Glass; Sierra HD Pro Safety; Keyless Open and Start; Wireless Phone Projection; 120-Volt Instrument Panel Power Outlet; Push Button Start; 2 Charge/data USB Ports; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; 18" Machined Aluminum Wheels; Chrome Surround Grille with Chrome Insert Bars. Remote Start Package: Remote Vehicle Starter System; Electric Rear-Window Defogger; Unauthorized Entry Theft-Deterrent System. GMC Protection Package: Black Front and Rear Molded Splash Guards; All-Weather Floor Liners. SLE Heated Package: Heated Steering Wheel; Heated Driver and Front Outboard Passenger Seats. 6" Rectangular Chromed Tubular Assist Steps. Spray-On Pickup Bedliner with GMC Logo. Black Front and Rear Molded Splash Guards. All-Weather Floor Liners. Electric Rear-Window Defogger. Rear Wheelhouse Liners. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**
2026 GMC Sierra 3500 SLE 4WD V8 6.6L Diesel — located in Casper, WY — delivers the capability and reliability Wyoming drivers demand. This heavy-duty pickup pairs a torquey 6.6L V8 diesel with four-wheel drive for confident towing, hauling, and off-road performance. Built for work and everyday comfort, the GMC Sierra 3500 SLE features remote start for convenience in extreme weather, XM Radio for entertainment on long hauls, and steering wheel audio controls to keep focus on the road. Safety and driver assistance are priorities: Lane Departure Warning helps prevent unintended lane drift while the Back-Up Camera improves visibility for easier maneuvering and trailer hookups. Inside, the cabin balances durability and comfort with practical storage, supportive seating, and intuitive controls designed for busy crews and weekend adventurers alike. This GMC Sierra 3500 is competitively priced and represents the best price in the Casper, WY area for a 2026 heavy-duty diesel with this equipment level. Whether you're towing a fifth-wheel, transporting construction gear, or navigating snowy mountain passes, the 3500 SLE's diesel torque and 4WD capability provide dependable performance. Contact us to schedule a test drive and experience the power, technology, and value of this 2026 GMC Sierra 3500 SLE in Casper, WY. Financing options and local trade-in evaluations are available.
Equipment
It features steering wheel audio controls. The GMC Sierra's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. This 1 ton pickup offers Automatic Climate Control for personalized comfort. This model is pure luxury with a heated steering wheel. This model is equipped with the latest generation of XM/Sirius Radio. Never get into a cold vehicle again with the remote start feature on it. See what's behind you with the back up camera on it. Maintaining a stable interior temperature in this model is easy with the climate control system. Quickly unlock it with keyless entry. The vehicle shines with clean polished lines coated with an elegant white finish. This GMC Sierra has four wheel drive capabilities. The vehicle has a V8, 6.6L high output engine. Keep safely connected while in this unit with OnStar. You may enjoy services like Automatic Crash Response, Navigation, Roadside Assistance and Hands-Free Calling.
Packages
SLE Convenience Package: Manual Tilt-Wheel/telescoping Steering Column; 10-Way Power Driver Seat Adjuster with Lumbar; LED Fog Lamps; LED Smoked Amber Roof Marker Lamps; Dual-Zone Automatic Climate Control. SLE Value Package: Spray-On Pickup Bedliner with GMC Logo. Preferred Equipment Group 3SA: 120-Volt Bed Mounted Power Outlet; 4-Way Manual Driver Seat Adjuster; 2-Speed Electronic Shift Transfer Case; SiriusXM with 360L Trial Subscription; Deep-Tinted Glass; Sierra HD Pro Safety; Keyless Open and Start; Wireless Phone Projection; 120-Volt Instrument Panel Power Outlet; Push Button Start; 2 Charge/data USB Ports; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; 18" Machined Aluminum Wheels; Chrome Surround Grille with Chrome Insert Bars. Remote Start Package: Remote Vehicle Starter System; Electric Rear-Window Defogger; Unauthorized Entry Theft-Deterrent System. GMC Protection Package: Black Front and Rear Molded Splash Guards; All-Weather Floor Liners. SLE Heated Package: Heated Steering Wheel; Heated Driver and Front Outboard Passenger Seats. 6" Rectangular Chromed Tubular Assist Steps. Spray-On Pickup Bedliner with GMC Logo. Black Front and Rear Molded Splash Guards. All-Weather Floor Liners. Electric Rear-Window Defogger. Rear Wheelhouse Liners. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**
Features & Options
- SLE Convenience Package: Manual Tilt-Wheel/telescoping Steering Column; 10-Way Power Driver Seat Adjuster with Lumbar; LED Fog Lamps; LED Smoked Amber Roof Marker Lamps; Dual-Zone Automatic Climate Control
- SLE Value Package: Spray-On Pickup Bedliner with GMC Logo
- Preferred Equipment Group 3SA: 120-Volt Bed Mounted Power Outlet; 4-Way Manual Driver Seat Adjuster; 2-Speed Electronic Shift Transfer Case; SiriusXM with 360L Trial Subscription; Deep-Tinted Glass; Sierra HD Pro Safety; Keyless Open and Start; Wireless Phone Projection; 120-Volt Instrument Panel Power Outlet; Push Button Start; 2 Charge/data USB Ports; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; 18" Machined Aluminum Wheels; Chrome Surround Grille with Chrome Insert Bars
- Remote Start Package: Remote Vehicle Starter System; Electric Rear-Window Defogger; Unauthorized Entry Theft-Deterrent System
- GMC Protection Package: Black Front and Rear Molded Splash Guards; All-Weather Floor Liners
- SLE Heated Package: Heated Steering Wheel; Heated Driver and Front Outboard Passenger Seats
- 6" Rectangular Chromed Tubular Assist Steps
- Spray-On Pickup Bedliner with GMC Logo
- Black Front and Rear Molded Splash Guards
- All-Weather Floor Liners
- Electric Rear-Window Defogger
- Rear Wheelhouse Liners
- Forward collision mitigation with pedestrian impact prevention
- Pedestrian impact prevention
- Mobile hotspot internet access
- Rear mounted camera
- Automatic Emergency Braking predictive brake assist system
- Cruise control with steering wheel mounted controls
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Primary monitor touchscreen
- Lane departure warning
- Part-time 4WD
- Duramax 6.6L V-8 diesel direct injection
- intercooled turbo
- diesel
- engine with 470HP
- Duramax 6.6L V-8
- Built-in virtual assistant
- Teen Driver restricted driving mode/alerts
- Keyless Open/Keyless Start with hands-free access and push button start
- Keyfob window control
- Smart device remote start
- Push-button
- Wireless audio streaming
- Hitch Guidance vehicle to trailer hitching assist
- Gauge cluster display size: 12.30
- Following distance alert
- Dual-zone front climate control
- Full gauge cluster screen
- Auto high-beam headlights
- Immobilizer
- OnStar Services capable vehicle integrated emergency SOS system
- Handsfree wireless device connectivity
- Smart device wireless mirroring
- Trailer brake controller
- Trailer sway control
- Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
- Premium GMC Infotainment System external memory control
- Internet radio capability
- Digital/analog instrumentation display
- Configurable instrumentation gauges
- Electronic stability control system with anti-roll
- Hill Hold Assist
- Automatic climate control
- Rear seat check warning
- 1 exterior 120V AC power outlet
- 0.400 kW
- LED daytime running lights
- LED front fog lights
- BedStep integrated side steps
- EZ Lift
- EZ Lower
- Manual rear child safety door locks
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