2026 GMC Sierra 2500HD AT4 Crew Cab 4WD

Vehicle Details: 2026 GMC Sierra 2500 AT4 4WD V8 6.6L Diesel, Breaux Bridge LA. This rugged, refined heavy-duty truck blends premium comfort with serious capability and is priced to move best price in the area. The powerful 6.6L V8 diesel delivers massive torque for towing and hauling, while the AT4 off-road-tuned suspension and 4WD system tackle Louisiana backroads or jobsite terrain with confidence. Inside, premium leather seats welcome driver and passengers with supportive comfort on long runs. Advanced safety and convenience features include Adaptive Cruise Control and Lane Departure Warning to keep you safer and more relaxed behind the wheel. Steering Wheel Audio Controls and XM Radio make entertainment and connectivity effortless, whether you're commuting or heading out for an adventure. This GMC Sierra 2500 AT4 balances rugged capability and upscale appointments: heavy-duty towing hardware, a durable bed for equipment, and smart tech to simplify every drive. Fuel-efficient diesel performance pairs with a strong towing package, making this truck ideal for contractors, boat owners, and anyone who demands serious capability without sacrificing comfort. Located in Breaux Bridge LA, this 2026 GMC Sierra 2500 AT4 is competitively priced at the best rate you'll find locally. If you want a bonestock-ready, diesel V8 4WD powerhouse with leather seating and modern driver aids, this GMC Sierra is built to work hard and ride in style. Contact us today for details and a test drive. Equipment: Start this GMC Sierra from inside with remote start. This vehicle warns of approaching vehicles with Cross-Traffic Alert. This 3/4 ton pickup features steering wheel audio controls. This 3/4 ton pickup offers Android Auto for seamless smartphone integration. The leather seats in this 2026 GMC Sierra 2500 are a must for buyers looking for comfort, durability, and style. This GMC Sierra is pure luxury with a heated steering wheel. An off-road package is installed on the GMC Sierra so you are ready for your four-wheeling best. This GMC Sierra features a high end BOSE stereo system. The vehicle's Lane Departure Warning helps keep you in your lane. See what's behind you with the back up camera on the GMC Sierra. This unit has auto-adjust speed for safe following. This 3/4 ton pickup features a hands-free Bluetooth phone system. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this GMC Sierra. Anywhere on the planet, you will have hundreds of digital stations to choose from.This vehicle warns of approaching vehicles with Cross-Traffic Alert. Packages: AT4 Premium Plus Package: Power Sunroof; Technology Package; Power-Retractable Black Assist Steps. 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; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Power-Retractable Black Assist Steps. Technology Package. Power Sunroof. MulitPro Audio System by Kicker. Volcanic Red Tintcoat. Rear Underseat Storage. GMC MultiPro Tailgate Step Lights. 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.**AT4 Premium Plus Package: Power Sunroof; Technology Package; Power-Retractable Black Assist Steps. 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; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Power-Retractable Black Assist Steps. Technology Package. Power Sunroof. MulitPro Audio System by Kicker. Volcanic Red Tintcoat. Rear Underseat Storage. GMC MultiPro Tailgate Step Lights. 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.**

Additional Information

AT4 Premium Plus Package: Power Sunroof; Technology Package; Power-Retractable Black Assist Steps,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; LED Smoked Amber Roof Marker Lamps; Universal Home Remote,Power-Retractable Black Assist Steps,Technology Package,Power Sunroof,MulitPro Audio System by Kicker,Volcanic Red Tintcoat,Rear Underseat Storage,GMC MultiPro Tailgate Step Lights,LED Smoked Amber Roof Marker Lamps,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,Head-up display,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,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,GCW Alert weight capacity alert,Video-feed rearview mirror,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