2026 GMC Sierra HD AT4X
1GT4UZEY5TF334048
6.6L 8-Cylinder V-Shaped Turbo (L5P)
Engine
4WD/4-Wheel Drive/4x4
Drive
Diesel
Fuel
UNITED STATES (USA)
Built in
No factory image on file
2026 GMC Sierra HD
VIN Breakdown
| Segment | Code | Meaning |
|---|---|---|
| WMI · World Mfr ID | 1GT | GMC · North America · United States |
| VDS · Descriptor | 4UZEY | Sierra HD AT4X |
| VIS · Vehicle ID | 5TF334048 | 2026 · Serial 334048 |
Basic Information
MakeGMC
ModelSierra HD
Year2026
TrimAT4X
Body StylePickup
ManufacturerGMC
CountryUNITED STATES (USA)
Engine & Performance
Engine6.6L 8-Cylinder V-Shaped Turbo (L5P)
Drive Type4WD/4-Wheel Drive/4x4
Fuel TypeDiesel
Serial Number334048
Basic Information
Model Year
2026
Make
GMC
Model
Sierra HD
Trim Level
AT4X
Engine & Performance
Engine Cylinders
8
Displacement
6.6 L
Displacement (CC)
6600.0 cc
Engine Code
L5P
Engine Configuration
V-Shaped
Engine Notes
DI, DURAMAX, GEN 5 VAR. 1
Displacement (CI)
402.75671102523
Transmission & Drivetrain
Driveline
4WD/4-Wheel Drive/4x4
Fuel & Economy
Fuel Type
Diesel
Safety & Braking
Front Airbags
1st Row (Driver and Passenger)
Side Airbags
1st Row (Driver and Passenger)
Curtain Airbags
All Rows
Dynamic Brake Support
Standard
Antilock Braking System (ABS)
Standard
Brake System Type
Hydraulic
Other Specifications
Manufactured in
UNITED STATES (USA)
Body Style
Pickup
Vehicle Type
TRUCK
Manufacturer
GENERAL MOTORS LLC
Turbo
Yes
GVWR From
Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)
GVWR To
Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)
Vehicle Stability Control System
Standard
Traction Control
Standard
TPMS Type
Direct
Keyless Ignition
Standard
Daytime Running Lights
Standard
Headlamp Type
LED
Plant City
FLINT
Plant State
MICHIGAN
Forward Collision Warning
Standard
Additional Error Text
The Model Year decoded for this VIN may be incorrect. If you know the Model year, please enter it and decode again to get more accurate information.
Series
2500
Seat Belt Type
Manual
Other Restraint System Info
AY0 - Active Manual Belts
Auto-Reverse System for Windows and Sunroofs
Standard
Event Data Recorder (EDR)
Standard
Parking Assist
Optional
Semiautomatic Headlamp Beam Switching
Standard
Rear Cross Traffic Alert
Optional
Pattern Information
Pattern1GT4UZEY T
WMI
1GT (United States, North America)