CarObvious: Buy New & Used Cars, SUVs, and Trucks

New 2026 GMC Sierra HD AT4

MSRP $79,900

Key Specs

Fuel Type

Gasoline
Transmission

10-Speed Automatic
Color

White
Engine

6.6L V8
VIN

1GT4UPE77TF426760

Vehicle Info

Condition New

Stock Number 261493

Year 2026

Make GMC

Model Sierra HD

Body Description 4D Crew Cab

Series AT4

Factory Color Summit White

Interior Color Jet Black With Kalahari Accents

Model Code N/A

Cylinders 8

Engine Displacement 6.6

Transmission 10-Speed Automatic

Drivetrain 4WD/4-Wheel Drive/4x4

Highway MPG N/A

City MPG N/A

Classification Pickup

Body Doors 4

Exterior Color White

Certified Certified

Vehicle Description

Recent Arrival! 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.GMC 2026 Sierra 2500HD AT4 6.6L V8 4WD 10-Speed Automatic Summit WhiteAll manufacturer's incentives and discounts applied. See dealer for details.

Key Features

SiriusXM with 360L Trial Subscription
Preferred Equipment Group 4SB
Upfitter Switch Kit (5)
10-Way Power Driver Seat Adjuster with Lumbar
Driver Memory
Power Sliding Rear Window with Defogger
10-Way Power Passenger Seat Adjuster with Lumbar
Power Front Passenger Windows with Express Up/Down
Deep-Tinted Glass
Keyless Open and Start
Rear Wheelhouse Liners
Rear Premium Floor Liners with Removable Carpet Insert

Request Form