2025 GMC Sierra SLT
GMC Sierra Details
Automatic
V8, 6.6L
SUMMIT WHITE
4WD
Diesel
0 Miles
JET BLACK
G7075
1GT4UUEY3SF368703
3500
Leather
SLT
About This 2025 GMC Sierra
Vehicle Details
2025 GMC Sierra 3500 SLT 4WD — 6.6L V8 Diesel — Best Price in Casper, WY This 2025 GMC Sierra 3500 SLT in Casper, WY delivers heavy-duty capability with refined comfort. Powered by a proven 6.6L V8 diesel and four-wheel drive, the GMC Sierra 3500 provides exceptional towing, payload capacity, and confidence on rugged roads or job-site terrain. The included Off-Road Package enhances ground clearance and suspension for tougher trails, while the SLT trim supplies premium interior features and a smooth ride. Safety and convenience are covered with Lane Departure Warning and a Back-Up Camera to help protect your crew and cargo. Stay connected and entertained with XM Radio and Steering Wheel Audio Controls for safe, hands-on operation while driving. Thoughtfully designed storage, durable materials, and supportive seating make long hauls easier. Located in Casper, WY, this GMC Sierra 3500 SLT is competitively priced — offering the best price in the area for a 2025 diesel heavy-duty pickup. Whether you need serious towing power for a trailer, reliable performance for commercial work, or a capable truck for weekend adventures, this GMC Sierra checks the boxes. Contact us in Casper to schedule a test drive and see why this 2025 GMC Sierra 3500 SLT 4WD with the 6.6L diesel is the best-priced heavy-duty truck available locally.
Equipment
Never get into a cold vehicle again with the remote start feature on this unit. This model is pure luxury with a heated steering wheel. Protect this unit from unwanted accidents with a cutting edge backup camera system. The vehicle features a high end BOSE stereo system. This model features steering wheel audio controls. This vehicle's Lane Departure Warning helps keep you in your lane. This model has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. An off-road package is equipped on this GMC Sierra. This 1 ton pickup warns of approaching vehicles with Cross-Traffic Alert. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving it. Anywhere on the planet, you will have hundreds of digital stations to choose from. The leather seats in this unit are a must for buyers looking for comfort, durability, and style.
Packages
SLT Convenience Package: Ventilated Driver and Front Passenger Seats; Bose Premium 7-Speaker Sound System; 2 Charge/data USB Ports Inside Center Console; LED Smoked Amber Roof Marker Lamps; Floor-Mounted Center Console; Wireless Charging; Front Bucket Seats. X31 Off-Road Package: Off-Road Suspension; Hill Descent Control; Skid Plates. SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control. SLT Premium Package: Spray-On Pickup Bedliner with GMC Logo; 6" Rectangular Chromed Tubular Assist Steps. Preferred Equipment Group 4SA: LED Cargo Area Lighting; LT275/70R18E AT BW Tires; 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; 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; 18" Machined Aluminum Wheels; Chrome Surround Grille with Chrome Insert Bars. Sierra HD Pro Safety Plus Package: HD Surround Vision; Trailer Side Blind Zone Alert; Rear Cross Traffic Alert; Ultrasonic Front and Rear Park Assist; Safety Alert Seat; Trailer Camera Provisions; Bed View Camera with Two Trailer Camera Provisions. GMC Protection Package: Black Front and Rear Molded Splash Guards; All-Weather Floor Liners. Truck Bed Cover by RealTruck Advantage (LPO). Power Sunroof. 6" Rectangular Chromed Tubular Assist Steps. Spray-On Pickup Bedliner with GMC Logo. All-Weather Floor Liners. Black Front and Rear Molded Splash Guards. Skid Plates. LED Smoked Amber Roof Marker Lamps. Trailering Wiring Provisions. **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.**
2025 GMC Sierra 3500 SLT 4WD — 6.6L V8 Diesel — Best Price in Casper, WY This 2025 GMC Sierra 3500 SLT in Casper, WY delivers heavy-duty capability with refined comfort. Powered by a proven 6.6L V8 diesel and four-wheel drive, the GMC Sierra 3500 provides exceptional towing, payload capacity, and confidence on rugged roads or job-site terrain. The included Off-Road Package enhances ground clearance and suspension for tougher trails, while the SLT trim supplies premium interior features and a smooth ride. Safety and convenience are covered with Lane Departure Warning and a Back-Up Camera to help protect your crew and cargo. Stay connected and entertained with XM Radio and Steering Wheel Audio Controls for safe, hands-on operation while driving. Thoughtfully designed storage, durable materials, and supportive seating make long hauls easier. Located in Casper, WY, this GMC Sierra 3500 SLT is competitively priced — offering the best price in the area for a 2025 diesel heavy-duty pickup. Whether you need serious towing power for a trailer, reliable performance for commercial work, or a capable truck for weekend adventures, this GMC Sierra checks the boxes. Contact us in Casper to schedule a test drive and see why this 2025 GMC Sierra 3500 SLT 4WD with the 6.6L diesel is the best-priced heavy-duty truck available locally.
Equipment
Never get into a cold vehicle again with the remote start feature on this unit. This model is pure luxury with a heated steering wheel. Protect this unit from unwanted accidents with a cutting edge backup camera system. The vehicle features a high end BOSE stereo system. This model features steering wheel audio controls. This vehicle's Lane Departure Warning helps keep you in your lane. This model has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. An off-road package is equipped on this GMC Sierra. This 1 ton pickup warns of approaching vehicles with Cross-Traffic Alert. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving it. Anywhere on the planet, you will have hundreds of digital stations to choose from. The leather seats in this unit are a must for buyers looking for comfort, durability, and style.
Packages
SLT Convenience Package: Ventilated Driver and Front Passenger Seats; Bose Premium 7-Speaker Sound System; 2 Charge/data USB Ports Inside Center Console; LED Smoked Amber Roof Marker Lamps; Floor-Mounted Center Console; Wireless Charging; Front Bucket Seats. X31 Off-Road Package: Off-Road Suspension; Hill Descent Control; Skid Plates. SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control. SLT Premium Package: Spray-On Pickup Bedliner with GMC Logo; 6" Rectangular Chromed Tubular Assist Steps. Preferred Equipment Group 4SA: LED Cargo Area Lighting; LT275/70R18E AT BW Tires; 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; 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; 18" Machined Aluminum Wheels; Chrome Surround Grille with Chrome Insert Bars. Sierra HD Pro Safety Plus Package: HD Surround Vision; Trailer Side Blind Zone Alert; Rear Cross Traffic Alert; Ultrasonic Front and Rear Park Assist; Safety Alert Seat; Trailer Camera Provisions; Bed View Camera with Two Trailer Camera Provisions. GMC Protection Package: Black Front and Rear Molded Splash Guards; All-Weather Floor Liners. Truck Bed Cover by RealTruck Advantage (LPO). Power Sunroof. 6" Rectangular Chromed Tubular Assist Steps. Spray-On Pickup Bedliner with GMC Logo. All-Weather Floor Liners. Black Front and Rear Molded Splash Guards. Skid Plates. LED Smoked Amber Roof Marker Lamps. Trailering Wiring Provisions. **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
- SLT Convenience Package: Ventilated Driver and Front Passenger Seats; Bose Premium 7-Speaker Sound System; 2 Charge/data USB Ports Inside Center Console; LED Smoked Amber Roof Marker Lamps; Floor-Mounted Center Console; Wireless Charging; Front Bucket Seats
- X31 Off-Road Package: Off-Road Suspension; Hill Descent Control; Skid Plates
- SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control
- SLT Premium Package: Spray-On Pickup Bedliner with GMC Logo; 6" Rectangular Chromed Tubular Assist Steps
- Preferred Equipment Group 4SA: LED Cargo Area Lighting; LT275/70R18E AT BW Tires; 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; 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; 18" Machined Aluminum Wheels; Chrome Surround Grille with Chrome Insert Bars
- Sierra HD Pro Safety Plus Package: HD Surround Vision; Trailer Side Blind Zone Alert; Rear Cross Traffic Alert; Ultrasonic Front and Rear Park Assist; Safety Alert Seat; Trailer Camera Provisions; Bed View Camera with Two Trailer Camera Provisions
- GMC Protection Package: Black Front and Rear Molded Splash Guards; All-Weather Floor Liners
- Truck Bed Cover by RealTruck Advantage (LPO)
- Power Sunroof
- 6" Rectangular Chromed Tubular Assist Steps
- Spray-On Pickup Bedliner with GMC Logo
- All-Weather Floor Liners
- Black Front and Rear Molded Splash Guards
- Skid Plates
- LED Smoked Amber Roof Marker Lamps
- Trailering Wiring Provisions
- Forward collision mitigation with pedestrian impact prevention
- Pedestrian impact prevention
- Mobile hotspot internet access
- Rear mounted camera
- Adaptive cruise control
- Automatic Emergency Braking predictive brake assist system
- Cruise control with steering wheel mounted controls
- Ventilated driver and front passenger seats
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Primary monitor touchscreen
- Lane departure warning
- Rear Cross-Traffic Alert collision warning
- First-row sliding and tilting glass sunroof with express open/close activation sunshade
- Driver seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- AutoTrac part and full-time 4WD
- Duramax 6.6L V-8 diesel direct injection
- intercooled turbo
- diesel
- engine with 470HP
- Duramax 6.6L V-8
- Front wireless smart device charging
- 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
- HD Surround Vision aerial view camera
- Smart device remote start
- Push-button
- Weight capacity alert
- Wireless audio streaming
- Hitch Guidance with Hitch View vehicle to trailer hitching assist
- Gauge cluster display size: 12.30
- Front mounted camera with washer
- Right side camera
- Pickup box camera
- Left side camera
- Trailer Side Blind Zone Alert blind spot warning
- Following distance alert
- GMC ProGrade Trailering System trailer tire pressure sensors
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
- Full gauge cluster screen
- Auto high-beam headlights
- Immobilizer
- Handsfree wireless device connectivity
- Smart device wireless mirroring
- Trailer brake controller
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