2026 GMC Sierra SLT
GMC Sierra Details
Automatic
V8, 6.6L
VOLCANIC RED TINTCOAT
4WD
Diesel
9 Miles
DARK WALNUT/SLATE
103740
1GT4UUEYXTF133748
3500
Leather
SLT
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 3500 SLT 4WD with the V8 6.6L Duramax diesel — built for serious towing, hauling and long-distance comfort. This robust heavy-duty pickup pairs proven diesel torque with advanced chassis engineering to handle worksite demands and weekend adventures with confidence. Inside, premium SLT appointments include a heated steering wheel, Bose premium stereo and XM radio for superior sound and connectivity on every drive. Safety and convenience features such as an adaptive cruise control system and a back-up camera provide added assurance when navigating tight jobsite spaces or highway traffic. This GMC Sierra 3500 combines rugged capability with refined creature comforts: spacious seating, durable materials and intuitive controls keep drivers comfortable during long hauls, while the diesel V8 delivers class-leading torque for heavy towing and reliable performance under load. 4WD capability enhances traction in difficult conditions around Marinette, WI and beyond, making this truck ready for seasonal weather and off-road challenges alike. Priced competitively for immediate sale, this GMC Sierra represents the best price available for comparable 2026 diesel-equipped heavy-duty pickups in the area. Located in Marinette, WI, this truck is available for test drives and inspections. Contact us to arrange a viewing and experience the power, capability and value of this 2026 GMC Sierra 3500 SLT for yourself.
Equipment
The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. This 2026 GMC Sierra 3500 is pure luxury with a heated steering wheel. This 2026 GMC Sierra 3500's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Start it from inside with remote start. See what's behind you with the back up camera on the GMC Sierra. This GMC Sierra features a high end BOSE stereo system. An off-road package is installed on the vehicle so you are ready for your four-wheeling best. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving the GMC Sierra. Anywhere on the planet, you will have hundreds of digital stations to choose from. This GMC Sierra features steering wheel audio controls. This 2026 GMC Sierra 3500's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing.
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. 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; 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 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. Assist Step and Floor Liner Package: All-Weather Floor Liners. SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control. 20" Bright Face Wheels with Dark Painted Pockets. Gooseneck/5th Wheel Prep Package. 6" Rectangular Chromed Tubular Assist Steps. Volcanic Red Tintcoat. Spray-On Pickup Bedliner with GMC Logo. GMC MultiPro Tailgate. Hitch Package. All-Weather Floor Liners. LT275/65R20 AT BW Tires. Skid Plates. LED Smoked Amber Roof Marker Lamps. **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 SLT 4WD with the V8 6.6L Duramax diesel — built for serious towing, hauling and long-distance comfort. This robust heavy-duty pickup pairs proven diesel torque with advanced chassis engineering to handle worksite demands and weekend adventures with confidence. Inside, premium SLT appointments include a heated steering wheel, Bose premium stereo and XM radio for superior sound and connectivity on every drive. Safety and convenience features such as an adaptive cruise control system and a back-up camera provide added assurance when navigating tight jobsite spaces or highway traffic. This GMC Sierra 3500 combines rugged capability with refined creature comforts: spacious seating, durable materials and intuitive controls keep drivers comfortable during long hauls, while the diesel V8 delivers class-leading torque for heavy towing and reliable performance under load. 4WD capability enhances traction in difficult conditions around Marinette, WI and beyond, making this truck ready for seasonal weather and off-road challenges alike. Priced competitively for immediate sale, this GMC Sierra represents the best price available for comparable 2026 diesel-equipped heavy-duty pickups in the area. Located in Marinette, WI, this truck is available for test drives and inspections. Contact us to arrange a viewing and experience the power, capability and value of this 2026 GMC Sierra 3500 SLT for yourself.
Equipment
The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. This 2026 GMC Sierra 3500 is pure luxury with a heated steering wheel. This 2026 GMC Sierra 3500's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Start it from inside with remote start. See what's behind you with the back up camera on the GMC Sierra. This GMC Sierra features a high end BOSE stereo system. An off-road package is installed on the vehicle so you are ready for your four-wheeling best. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving the GMC Sierra. Anywhere on the planet, you will have hundreds of digital stations to choose from. This GMC Sierra features steering wheel audio controls. This 2026 GMC Sierra 3500's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing.
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. 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; 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 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. Assist Step and Floor Liner Package: All-Weather Floor Liners. SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control. 20" Bright Face Wheels with Dark Painted Pockets. Gooseneck/5th Wheel Prep Package. 6" Rectangular Chromed Tubular Assist Steps. Volcanic Red Tintcoat. Spray-On Pickup Bedliner with GMC Logo. GMC MultiPro Tailgate. Hitch Package. All-Weather Floor Liners. LT275/65R20 AT BW Tires. Skid Plates. LED Smoked Amber Roof Marker Lamps. **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
- 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; 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 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
- Assist Step and Floor Liner Package: All-Weather Floor Liners
- SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control
- 20" Bright Face Wheels with Dark Painted Pockets
- Gooseneck/5th Wheel Prep Package
- 6" Rectangular Chromed Tubular Assist Steps
- Volcanic Red Tintcoat
- Spray-On Pickup Bedliner with GMC Logo
- GMC MultiPro Tailgate
- Hitch Package
- All-Weather Floor Liners
- LT275/65R20 AT BW Tires
- Skid Plates
- LED Smoked Amber Roof Marker Lamps
- 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
- 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
- OnStar Services capable vehicle integrated emergency SOS system
- Handsfree wireless device connectivity
- Smart device wireless mirroring
- Trailer brake controller
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