New 2026 GMC Sierra HD AT4

vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
vehicle-img
pre-icon
next-icon
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail

Key Specs

  • icon
    Fuel Type
    Diesel
  • icon
    Transmission
    10-Speed A/T
  • icon
    Color
    Gray
  • icon
    Engine
    8

Vehicle Description

Heated Leather Seats, NAV, Heated Rear Seat, 4x4, Turbo, Alloy Wheels, Bed Liner, Tow Hitch, 3 YEARS ONSTAR ONE, AT4 PREFERRED PACKAGE, AT4 PREMIUM PLUS PACKAGE. Sterling Metallic exterior and Jet Black with Kalahari accents interior.

KEY FEATURES INCLUDE
Leather Seats, 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat. GMC AT4 with Sterling Metallic exterior and Jet Black with Kalahari accents interior features a 8 Cylinder Engine with 470 HP at 2800 RPM*.

OPTION PACKAGES
ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package, (CF5) power sunroof, (CWM) Technology Package and (VXW) AT4 high clearance step, LPO, TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15 Diagonal Head-Up Display, 3 YEARS ONSTAR ONE, AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote, (A48) rear sliding power window and (U01) Roof Marker Lamps, ASSIST STEPS, POWER RETRACTABLE, BLACK includes LED lighting, AUDIO SYSTEM, 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE includes color touch-screen, multi-touch display, AM/FM stereo, Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto® and Apple CarPlay® capability for compatible phones (STD), TRANSMISSION, 10-SPEED AUTOMATIC.

Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.

Key Features

  • 10-Speed A/T
  • 4-Wheel Disc Brakes
  • 8 Cylinder Engine
  • A/C
  • A/T
  • ABS
  • Adaptive Cruise Control
  • Adjustable Steering Wheel
  • Aluminum Wheels
  • AM/FM Stereo
  • Apple CarPlay
  • Auto-Dimming Rearview Mirror
  • Auxiliary Audio Input
  • Back-Up Camera
  • Bed Liner
  • Blind Spot Monitor

Vehicle Info

  • Condition New
  • Stock Number G26234
  • VIN 1GT4UPEY8TF112186
  • Year 2026
  • Make GMC
  • Model Sierra HD
  • Body Description N/A
  • Series AT4
  • Odometer 14
  • Factory Color Sterling Metallic
  • Interior Color Jet Black with Kalahari accents
  • Model Code N/A
  • Cylinders N/A
  • Engine Displacement 6.6
  • Transmission 10-Speed A/T
  • Drivetrain 4WD/4-Wheel Drive/4x4
  • Highway MPG N/A
  • City MPG N/A
  • Classification Pickup
  • Body Doors N/A
  • Exterior Color Gray
  • Certified Not Certified

Request form