2026 GMC Sierra AT4

$89,135
Good deal
Competitive price
$0 / month
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GMC Sierra Details

transmission
Automatic
engine
V8, 6.6L
color
Sterling Metallic
drive
4WD
fuel
Diesel
mileage
0 Miles
interior color
Jet Black w/Kalahari Accents
stock number
266024
VIN
1GT4UPEY0TF136465
series
2500
seats
Leather
trim
AT4

Estimated Payment

Down Payment: $0
Months: 0
$0 / month

About This 2026 GMC Sierra

Command attention on the roads of Manchester IA with this rugged 2026 GMC Sierra 2500 AT4 4WD — a powerhouse built for work and adventure. Under the hood sits a torquey V8 6.6L Diesel engine that delivers exceptional towing capability, confident hauling, and long-haul efficiency. This AT4 is equipped with the Off-Road Package to tackle rough trails and uneven terrain with superior ground clearance, skid plates, and enhanced suspension.

Step inside to premium leather seats that provide comfort on long drives and a refined cabin experience. Modern safety and convenience features include Lane Departure Warning to help keep you centered in traffic, Remote Start for climate-controlled comfort before you step in, and a Back-Up Camera for precise maneuvering and trailer hookup. The 4WD system ensures traction and stability in all weather conditions, making this GMC Sierra a versatile daily driver and an off-road-ready workhorse.

Located in Manchester IA, this 2026 GMC Sierra 2500 AT4 offers the best price you'll find for a diesel-powered heavy-duty truck with such a complete feature set. Whether you're towing equipment, exploring backcountry trails, or commuting in comfort, this GMC Sierra delivers capability, refinement, and value. Contact us for details and schedule a test drive today — experience the power, capability, and advanced features of this standout 2500 AT4.

Features & Options

  • AT4 Premium Plus Package: Power Sunroof; Off-Road High Clearance Step; Technology 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; 6.6L V8 with Direct Injection and Variable Valve Timing Engine; 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
  • Technology Package
  • Off-Road High Clearance Step
  • Power Sunroof
  • Gooseneck/5th Wheel Prep Package
  • Sterling Metallic
  • Hitch Package
  • LED Smoked Amber Roof Marker Lamps
  • Apple CarPlay/Android Auto smart device wireless mirroring
  • Wi-Fi Hotspot capable mobile hotspot internet access
  • Forward Collision Alert with Automatic Braking
  • Front Pedestrian Braking
  • HD Rear Vision Camera w/Hitch View rear mounted camera
  • Head-up display
  • Automatic Emergency Braking predictive brake assist system
  • Lane Departure Warning
  • Rear Cross-Traffic Alert collision warning
  • Teen Driver restricted driving mode/alerts
  • HD Surround Vision w/Hitch View aerial view camera
  • Video-feed rearview mirror
  • Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
  • 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
  • Auto high-beam headlights
  • Immobilizer
  • Adaptive cruise control
  • Cruise control with steering wheel mounted controls
  • Keyfob remote start
  • Front wireless smart device charging
  • Google Built-In built-in virtual assistant
  • Keyless Open/Keyless Start with hands-free access and push button start
  • Keyfob window control
  • Smart device remote start
  • Push-button
  • GCW Alert weight capacity alert
  • Full gauge cluster screen
  • Ventilated driver and front passenger seats
  • Heated steering wheel
  • Heated driver and front passenger seats
  • Heated rear seats
  • Leather front seat upholstery
  • Driver seat power reclining
  • lumbar support
  • cushion tilt
  • fore/aft control and height adjustable control
  • Dual-zone front climate control
  • Primary monitor touchscreen
  • Bluetooth wireless audio streaming
  • First-row sliding and tilting glass sunroof with express open/close activation sunshade
  • Hitch Guidance vehicle to trailer hitching assist
  • Trailer light test
  • Trailer light malfunction warning
  • Trailer theft alarm
  • 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
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