2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
Silver
4WD
Diesel
1 Miles
Jet Black w/Kalahari Accents
G220664
1GT4UPEYXTF220664
2500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 2500 AT4 4WD V8 6.6L Diesel — Best Price in Madisonville TX Find rugged capability and refined comfort with this 2026 GMC Sierra 2500 AT4, equipped with a powerful V8 6.6L diesel and robust 4WD for towing, hauling, and off-road confidence. Located in Madisonville TX, this GMC Sierra 2500 AT4 delivers professional-grade performance and advanced safety features at the best price in the area. Key features include Lane Departure Warning and Cross-Traffic Alert to help keep you protected on highways and in parking lots. Leather seats provide premium comfort for long drives, while Android Auto integration keeps your navigation, music, and calls seamlessly connected. A Back-Up Camera enhances visibility for safer maneuvering and trailer hitching. This GMC Sierra 2500 AT4 combines heavy-duty capability—rated towing capacity and diesel torque—with refined interior appointments, making it ideal for contractors, adventure seekers, and families who need dependable performance without sacrificing comfort. With a competitive price in Madisonville TX, this truck represents exceptional value for drivers seeking a 2026 diesel 4WD pickup. Contact us today to schedule a test drive and see why this 2026 GMC Sierra 2500 AT4 is the best-priced heavy-duty diesel truck available in Madisonville TX. Financing and trade-in options are available.
Equipment
This model offers Android Auto for seamless smartphone integration. This vehicle features a hands-free Bluetooth phone system. The leather seats in this model are a must for buyers looking for comfort, durability, and style. This 3/4 ton pickup's Lane Departure Warning helps keep you in your lane. Never get into a cold vehicle again with the remote start feature on this GMC Sierra. Protect this GMC Sierra from unwanted accidents with a cutting edge backup camera system. The vehicle's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. This vehicle has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. Engulf yourself with the crystal clear sound of a BOSE sound system in this model. Apple CarPlay: Seamless smartphone integration for the GMC Sierra - stay connected and entertained on the go! This model is pure luxury with a heated steering wheel. This unit is outfitted with an OnStar communication system.
2026 GMC Sierra 2500 AT4 4WD V8 6.6L Diesel — Best Price in Madisonville TX Find rugged capability and refined comfort with this 2026 GMC Sierra 2500 AT4, equipped with a powerful V8 6.6L diesel and robust 4WD for towing, hauling, and off-road confidence. Located in Madisonville TX, this GMC Sierra 2500 AT4 delivers professional-grade performance and advanced safety features at the best price in the area. Key features include Lane Departure Warning and Cross-Traffic Alert to help keep you protected on highways and in parking lots. Leather seats provide premium comfort for long drives, while Android Auto integration keeps your navigation, music, and calls seamlessly connected. A Back-Up Camera enhances visibility for safer maneuvering and trailer hitching. This GMC Sierra 2500 AT4 combines heavy-duty capability—rated towing capacity and diesel torque—with refined interior appointments, making it ideal for contractors, adventure seekers, and families who need dependable performance without sacrificing comfort. With a competitive price in Madisonville TX, this truck represents exceptional value for drivers seeking a 2026 diesel 4WD pickup. Contact us today to schedule a test drive and see why this 2026 GMC Sierra 2500 AT4 is the best-priced heavy-duty diesel truck available in Madisonville TX. Financing and trade-in options are available.
Equipment
This model offers Android Auto for seamless smartphone integration. This vehicle features a hands-free Bluetooth phone system. The leather seats in this model are a must for buyers looking for comfort, durability, and style. This 3/4 ton pickup's Lane Departure Warning helps keep you in your lane. Never get into a cold vehicle again with the remote start feature on this GMC Sierra. Protect this GMC Sierra from unwanted accidents with a cutting edge backup camera system. The vehicle's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. This vehicle has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. Engulf yourself with the crystal clear sound of a BOSE sound system in this model. Apple CarPlay: Seamless smartphone integration for the GMC Sierra - stay connected and entertained on the go! This model is pure luxury with a heated steering wheel. This unit is outfitted with an OnStar communication system.
Features & Options
- Apple CarPlay/Android Auto smart device wireless mirroring
- Forward Collision Alert with Automatic Braking
- Front Pedestrian Braking
- Wi-Fi Hotspot capable mobile hotspot internet access
- HD Rear Vision Camera w/Hitch View 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
- Google Built-In 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 w/Hitch View aerial view camera
- Smart device remote start
- Push-button
- GCW Alert weight capacity alert
- Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
- Bluetooth wireless audio streaming
- Hitch Guidance 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 Indicator
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
- Full gauge cluster screen
- Auto high-beam headlights
- Immobilizer
- Bose speakers
- OnStar vehicle integrated emergency SOS system
- Bluetooth handsfree wireless device connectivity
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