2026 GMC Sierra 2500HD SLE X31



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Vehicle Information

VIN: 1GT4UME79TF146319
Stock #: T788
Model Code: TK20743
  • Body Style 4D Crew Cab
  • Exterior Color Summit White
  • Interior Color Jet Black
  • Engine 8 Cyl - 6.6 L
  • Transmission 10-Speed Automatic / 4WD
  • Fuel Type Gasoline

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

Summit White 2026 GMC Sierra 2500HD SLE X31 4WD 10-Speed Automatic 6.6L V8

All Features

  • Cloth Rear Seat w/Storage Package
  • Gooseneck/5th Wheel Prep Package
  • Preferred Equipment Group 3SA
  • Preferred Package
  • Remote Start Package
  • Sierra HD Pro Safety Plus Package
  • SLE Convenience Package
  • SLE Heated Package
  • SLE Value Package
  • Snow Plow Prep/Camper Package
  • Suspension Package
  • X31 Off-Road & Protection Package
  • X31 Off-Road Package
  • 6-Speaker Audio System Feature
  • Radio: AM/FM w/Premium GMC Infotainment System
  • SiriusXM w/360L Trial Subscription
  • Steering Wheel Audio Controls
  • A/C w/Dual-Zone Automatic Climate Control
  • Electric Rear-Window Defogger
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • 4-Way Manual Driver Seat Adjuster
  • Power steering
  • Power windows
  • Push Button Start
  • Remote keyless entry
  • Remote Vehicle Starter System
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • Manual Tilt-Wheel/Telescoping Steering Column
  • Off-Road Suspension
  • Traction control
  • 4-Wheel Disc Brakes
  • ABS brakes
  • Dual front impact airbags
  • Dual front side impact airbags
  • Emergency communication system: OnStar
  • Front anti-roll bar
  • Front wheel independent suspension
  • Keyless Open & Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Pickup Box
  • Brake assist
  • Electronic Stability Control
  • Lane Departure Warning System
  • Hill Descent Control
  • Auto High-beam Headlights
  • Delay-off headlights
  • Fully automatic headlights
  • Panic alarm
  • Unauthorized Entry Theft-Deterrent System
  • Adaptive Cruise Control
  • 2-Speed Electronic Shift Transfer Case
  • 220-Amp Alternator
  • Heavy-Duty 80 Amp Battery
  • 6" Rectangular Chromed Tubular Assist Steps
  • Bumpers: chrome
  • Chrome Surround Grille w/Chrome Insert Bars
  • Heated door mirrors
  • IntelliBeam Automatic High Beam On/Off
  • LED Cargo Area Lighting
  • LED Fog Lamps
  • LED Smoked Amber Roof Marker Lamps
  • Power door mirrors
  • Rear step bumper
  • Spray-On Pickup Bedliner w/GMC Logo
  • Turn signal indicator mirrors
  • 2 Charge-Only Rear USB Ports
  • 2 Charge/Data USB Ports
  • All-Weather Floor Liners (LPO)
  • Apple CarPlay/Android Auto
  • Automatic Emergency Braking
  • Bed View Camera w/2 Trailer Camera Provisions
  • Buckle to Drive
  • Cloth Seat Trim
  • Compass
  • Driver door bin
  • Driver vanity mirror
  • Following Distance Indicator
  • Forward Collision Alert
  • Front 40/20/40 Split-Bench Seats
  • Front Pedestrian Braking
  • Front reading lights
  • HD Rear Vision Camera Delete
  • HD Surround Vision
  • Heated Steering Wheel
  • Illuminated entry
  • OnStar Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Cross Traffic Alert
  • Rear reading lights
  • Tachometer
  • Tilt steering wheel
  • Trailer Cam Provisions & Trailer Viewing Software
  • Trailer Side Blind Zone Alert
  • Trip computer
  • Ultrasonic Front & Rear Park Assist
  • Voltmeter
  • Wireless Phone Projection
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 4-Way Manual Passenger Seat Adjuster
  • Heated Driver & Front Outboard Passenger Seats
  • Split folding rear seat
  • Front Center Armrest w/Storage
  • Passenger door bin
  • 5th Wheel & Gooseneck Trailer Wiring Provisions
  • Hitch Guidance w/Hitch View
  • In-Vehicle Trailering System App
  • Wheels: 20" Bright Face w/Dark Painted Pockets
  • Deep-Tinted Glass
  • Power Sliding Rear Window w/Defogger
  • Variably intermittent wipers
  • 3.73 Rear Axle Ratio
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May not represent actual vehicle. (Options, colors, trim and body style may vary)