2025 GMC Sierra SLT
GMC Sierra Details
Automatic
V8, 6.6L
Volcanic Red Tintcoat
4WD
Diesel
0 Miles
JET BLACK
G7066
1GT4UUEY9SF364686
3500
Leather
SLT
About This 2025 GMC Sierra
Vehicle Details
Power, capability, and comfort come together in this 2025 GMC Sierra 3500 SLT 4WD with the rugged V8 6.6L Diesel—now available in Casper, WY at the best price. Built for demanding work and confident towing, this GMC Sierra 3500 delivers diesel torque, heavy-duty performance, and trail-ready four-wheel drive so you can handle Wyoming roads and beyond with ease. Loaded with premium features to keep every drive controlled and convenient, this GMC Sierra includes Remote Start for cold mornings, Cross-Traffic Alert for safer backing, and Adaptive Cruise Control to reduce fatigue on long hauls. The Heated Steering Wheel and Steering Wheel Audio Controls add comfort and connectivity while keeping hands where they belong. Thoughtful SLT appointments provide a refined cabin experience alongside rugged capability. This diesel-powered GMC Sierra is ideal for contractors, weekend adventurers, and anyone who values durability without sacrificing refinement. Whether towing heavy loads, navigating tough terrain, or cruising highways, the V8 6.6L Diesel delivers dependable power and efficient performance. Locally available in Casper, WY, this GMC Sierra 3500 SLT presents exceptional value and the best price—don't miss a chance to own a top-tier heavy-duty truck built to work hard and drive comfortably. Contact us today to schedule a test drive and experience the torque, technology, and toughness of this 2025 GMC Sierra 3500 SLT 4WD V8 6.6L Diesel in Casper.
Equipment
The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. The vehicle's Lane Departure Warning helps keep you in your lane. The GMC Sierra's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. Keep your hands warm all winter with a heated steering wheel in this GMC Sierra . Protect the GMC Sierra from unwanted accidents with a cutting edge backup camera system. The vehicle is equipped with the latest generation of XM/Sirius Radio. This GMC Sierra features a high end BOSE stereo system. The GMC Sierra has auto-adjust speed for safe following. Start this vehicle from inside with remote start. The GMC Sierra features steering wheel audio controls. With the keyless entry system on it you can pop the trunk without dropping your bags from the store. Maintaining a stable interior temperature in this 1 ton pickup is easy with the climate control system.
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. SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control. 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. Volcanic Red Tintcoat. Spray-On Pickup Bedliner with GMC Logo. All-Weather Floor Liners. Black Front and Rear Molded Splash Guards. LED Smoked Amber Roof Marker Lamps. Trailer Tire Pressure Monitor Sensors. 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.**
Power, capability, and comfort come together in this 2025 GMC Sierra 3500 SLT 4WD with the rugged V8 6.6L Diesel—now available in Casper, WY at the best price. Built for demanding work and confident towing, this GMC Sierra 3500 delivers diesel torque, heavy-duty performance, and trail-ready four-wheel drive so you can handle Wyoming roads and beyond with ease. Loaded with premium features to keep every drive controlled and convenient, this GMC Sierra includes Remote Start for cold mornings, Cross-Traffic Alert for safer backing, and Adaptive Cruise Control to reduce fatigue on long hauls. The Heated Steering Wheel and Steering Wheel Audio Controls add comfort and connectivity while keeping hands where they belong. Thoughtful SLT appointments provide a refined cabin experience alongside rugged capability. This diesel-powered GMC Sierra is ideal for contractors, weekend adventurers, and anyone who values durability without sacrificing refinement. Whether towing heavy loads, navigating tough terrain, or cruising highways, the V8 6.6L Diesel delivers dependable power and efficient performance. Locally available in Casper, WY, this GMC Sierra 3500 SLT presents exceptional value and the best price—don't miss a chance to own a top-tier heavy-duty truck built to work hard and drive comfortably. Contact us today to schedule a test drive and experience the torque, technology, and toughness of this 2025 GMC Sierra 3500 SLT 4WD V8 6.6L Diesel in Casper.
Equipment
The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. The vehicle's Lane Departure Warning helps keep you in your lane. The GMC Sierra's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. Keep your hands warm all winter with a heated steering wheel in this GMC Sierra . Protect the GMC Sierra from unwanted accidents with a cutting edge backup camera system. The vehicle is equipped with the latest generation of XM/Sirius Radio. This GMC Sierra features a high end BOSE stereo system. The GMC Sierra has auto-adjust speed for safe following. Start this vehicle from inside with remote start. The GMC Sierra features steering wheel audio controls. With the keyless entry system on it you can pop the trunk without dropping your bags from the store. Maintaining a stable interior temperature in this 1 ton pickup is easy with the climate control system.
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. SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control. 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. Volcanic Red Tintcoat. Spray-On Pickup Bedliner with GMC Logo. All-Weather Floor Liners. Black Front and Rear Molded Splash Guards. LED Smoked Amber Roof Marker Lamps. Trailer Tire Pressure Monitor Sensors. 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
- SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control
- 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
- Volcanic Red Tintcoat
- Spray-On Pickup Bedliner with GMC Logo
- All-Weather Floor Liners
- Black Front and Rear Molded Splash Guards
- LED Smoked Amber Roof Marker Lamps
- Trailer Tire Pressure Monitor Sensors
- 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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