2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
Summit White
4WD
Diesel
10 Miles
Jet Black w/Kalahari Accents
16875
1GT4UPEY8TF261827
2500
Leather
AT4
Estimated Payment
$0 / month
About This 2026 GMC Sierra
Vehicle Details
Power meets refinement in this 2026 GMC Sierra 2500 AT4 4WD, now available in Indio, CA. Built around a potent V8 6.6L Diesel, this heavy-duty pickup delivers the torque and durability needed for towing, hauling, and serious off-road adventures. The AT4 trim brings rugged capability with premium comfort, making it equally at home on the jobsite or a weekend escape. Step inside to find leather seats and a heated steering wheel that enhance long drives, while Hands Free Bluetooth keeps you connected without distraction. Advanced safety tech includes Adaptive Cruise Control and Cross-Traffic Alert, giving you confidence in highway traffic and busy parking situations. The cabin's thoughtful layout and quality materials reflect a focus on driver comfort and utility. Equipped with 4WD, robust towing features, and a suspension tuned for performance, this GMC Sierra 2500 AT4 is engineered to tackle tough terrain and heavy loads. Whether you need a reliable workhorse or a capable weekend companion, this truck balances power, comfort, and technology. Located in Indio, CA, this GMC Sierra 2500 AT4 is ready for a test drive. Contact us to schedule a viewing and experience the commanding presence and refined features of this diesel-powered 2500 for yourself.
Equipment
This model features a high end BOSE stereo system. The GMC Sierra is equipped with the latest generation of XM/Sirius Radio. It has auto-adjust speed for safe following. The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. An off-road package is installed on this model so you are ready for your four-wheeling best. This 2026 GMC Sierra 2500 features a hands-free Bluetooth phone system. Protect the GMC Sierra from unwanted accidents with a cutting edge backup camera system. This vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Apple CarPlay: Seamless smartphone integration for this 2026 GMC Sierra 2500 - stay connected and entertained on the go! Start this 3/4 ton pickup from inside with remote start. This 2026 GMC Sierra 2500 is pure luxury with a heated steering wheel. It features steering wheel audio controls.
Packages
Max Trailering Package: 11. 750 lbs (5. 330 Kg) GVWR; Gooseneck/5th Wheel Prep Package. Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners. AT4 Preferred Package: Power Sliding Rear Window with Defogger; Universal Home Remote. Black Badging Package: Black Sierra Nameplates; Black GMC Emblems. Power-Retractable Black Assist Steps. Gooseneck/5th Wheel Prep Package. GMC MultiPro Tailgate Step Lights. High Idle Switch. Sport Pedal Cover Kit. Cargo Tie-Down Rings (set of 4). Trailer Tire Pressure Monitor Sensors. **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.**
Manufacturer Incentives
Price includes: Guaranteed Incentives: $1,000 - Buick & GMC Consumer Cash Program - Exp. 4/30/2026. Contact dealer to verify final pricing.
Power meets refinement in this 2026 GMC Sierra 2500 AT4 4WD, now available in Indio, CA. Built around a potent V8 6.6L Diesel, this heavy-duty pickup delivers the torque and durability needed for towing, hauling, and serious off-road adventures. The AT4 trim brings rugged capability with premium comfort, making it equally at home on the jobsite or a weekend escape. Step inside to find leather seats and a heated steering wheel that enhance long drives, while Hands Free Bluetooth keeps you connected without distraction. Advanced safety tech includes Adaptive Cruise Control and Cross-Traffic Alert, giving you confidence in highway traffic and busy parking situations. The cabin's thoughtful layout and quality materials reflect a focus on driver comfort and utility. Equipped with 4WD, robust towing features, and a suspension tuned for performance, this GMC Sierra 2500 AT4 is engineered to tackle tough terrain and heavy loads. Whether you need a reliable workhorse or a capable weekend companion, this truck balances power, comfort, and technology. Located in Indio, CA, this GMC Sierra 2500 AT4 is ready for a test drive. Contact us to schedule a viewing and experience the commanding presence and refined features of this diesel-powered 2500 for yourself.
Equipment
This model features a high end BOSE stereo system. The GMC Sierra is equipped with the latest generation of XM/Sirius Radio. It has auto-adjust speed for safe following. The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. An off-road package is installed on this model so you are ready for your four-wheeling best. This 2026 GMC Sierra 2500 features a hands-free Bluetooth phone system. Protect the GMC Sierra from unwanted accidents with a cutting edge backup camera system. This vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Apple CarPlay: Seamless smartphone integration for this 2026 GMC Sierra 2500 - stay connected and entertained on the go! Start this 3/4 ton pickup from inside with remote start. This 2026 GMC Sierra 2500 is pure luxury with a heated steering wheel. It features steering wheel audio controls.
Packages
Max Trailering Package: 11. 750 lbs (5. 330 Kg) GVWR; Gooseneck/5th Wheel Prep Package. Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners. AT4 Preferred Package: Power Sliding Rear Window with Defogger; Universal Home Remote. Black Badging Package: Black Sierra Nameplates; Black GMC Emblems. Power-Retractable Black Assist Steps. Gooseneck/5th Wheel Prep Package. GMC MultiPro Tailgate Step Lights. High Idle Switch. Sport Pedal Cover Kit. Cargo Tie-Down Rings (set of 4). Trailer Tire Pressure Monitor Sensors. **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.**
Manufacturer Incentives
Price includes: Guaranteed Incentives: $1,000 - Buick & GMC Consumer Cash Program - Exp. 4/30/2026. Contact dealer to verify final pricing.
Features & Options
- Max Trailering Package: 11
- 750 lbs (5
- 330 Kg) GVWR; Gooseneck/5th Wheel Prep Package
- Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners
- AT4 Preferred Package: Power Sliding Rear Window with Defogger; Universal Home Remote
- Black Badging Package: Black Sierra Nameplates; Black GMC Emblems
- Power-Retractable Black Assist Steps
- Gooseneck/5th Wheel Prep Package
- GMC MultiPro Tailgate Step Lights
- High Idle Switch
- Sport Pedal Cover Kit
- Cargo Tie-Down Rings (set of 4)
- Trailer Tire Pressure Monitor Sensors
- 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 tire pressure and temperature 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
- Bose speakers
- OnStar vehicle integrated emergency SOS system
- -










