How to decode a 2004 GMC Sonoma VIN

Characters 1-3 of a 2004 GMC Sonoma VIN

A World Manufacturer Identifier (WMI) is a unique code consisting of the first three characters in a Vehicle Identification Number (VIN), which signifies the vehicle’s manufacturer, country of manufacture, and vehicle type. For example, in the case of the 2004 GMC Sonoma, the WMI “1GT” designates it as a product of General Motors LLC, manufactured in the United States, specifically in Warren, Michigan. This identifier not only reveals the truck’s origin but also its association with a manufacturer known for its extensive range of vehicles. The WMI is an essential component of the VIN, ensuring that each vehicle can be accurately identified and traced globally, playing a crucial role in registration, titling, and recall operations.

List of WMI Codes for a 2004 GMC Sonoma

WMI: 1GT

Model Years Covered: 1991-2004
Example VIN: 1GTDT13X04K104232
Manufacturer Name: General Motors LLC
Vehicle Type: Truck
City: Warren
State or Province: Michigan
Country: United States

Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 2004 GMC Sonoma VIN

These characters correspond to components like:

Engine type
Transmission
Model or trim
Body style
Gross vehicle weight range

Below find the known vehicle descriptor codes for a 2004 GMC Sonoma:

Known VDS for a 2004 GMC Sonoma
DT13X

Auto manufacturers have some discretion to decide how they want to code this section, but its contents and decoded results are generally consistent.

Character 9 is the “check digit” in a 2004 GMC Sonoma VIN.

Based on a formula developed by the US Department of Transportation, it helps reduce fraud by ensuring the validity of the VIN.

10th Character in the 2004 GMC Sonoma VIN — Year Code

Year Code	Year
4	2004

11th Character in the 2004 GMC Sonoma VIN — Plant Code(s)

Known 2004 GMC Sonoma Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
K	Linden	New Jersey	United States	Gm Truck Group	1GTDT13X04K104232

VIN Characters 12 - 17 of a 2004 GMC Sonoma

The final 6 characters in a 2004 GMC Sonoma’s 17-digit VIN are its serial number, which will be unique to every vehicle.

Check your GMC Sonoma’s VIN below:

How to find a 2004 GMC Sonoma’s VIN?

Locating the VIN number on your 2004 GMC Sonoma is key for identification. Here’s how to find it:

Look at the dashboard on the driver’s side of your GMC Sonoma, just beneath the windshield. The VIN can usually be seen from outside the vehicle.
Open the driver’s side door and examine the door jamb. Your 2004 GMC Sonoma should have a label or sticker displaying the VIN where the door latches.
Check the engine block of your GMC Sonoma, as the VIN is sometimes stamped onto the engine itself.
Look in the rear wheel well of the driver’s side; sometimes there is a sticker with the VIN above the tire.
Inspect your GMC Sonoma’s documentation, such as the title, registration, or insurance papers, where the VIN will be recorded.

What info can a 2004 GMC Sonoma VIN reveal?

Model Year: The VIN can reveal the vehicles model year being the year 2004, providing insights into the age and potential market value of the vehicle.
Body Class and Drive Type: The VIN indicates that the vehicle is classified as a Pickup with 4WD/4-Wheel Drive/4x4 capability, suggesting its suitability for various terrains and its utility-driven design.
Engine Specifications: The VIN specifies features like a 4.3L V-Shaped engine with a displacement of 4300.0 CC and six cylinders, made by the engine manufacturer WRN, highlighting the vehicle’s powertrain attributes.
Fuel System and Type: According to the VIN, the vehicle utilizes Multipoint Fuel Injection (MPFI) for fuel delivery and runs on Gasoline, providing insights into the vehicle’s efficiency and performance characteristics.
Safety Features: The VIN indicates that the vehicle is equipped with front airbags for both the driver and passenger in the 1st row, indicating a focus on occupant safety.
Production Details: As per the VIN, the vehicle was assembled in Linden, New Jersey by the GM Truck Group, providing clues about the vehicle’s manufacturing origin and quality standards.
Vehicle Identification Number (VIN): The provided sample VIN, such as 1GTDT13X04K104232, encodes much of this information, serving as a key to unlocking detailed vehicle specifications.

Don’t have your 2004 GMC Sonoma’s VIN handy? Try our license plate lookup instead!

Search License Plate

Sample VIN Decode Report for a 2004 GMC Sonoma

Vehicle Spec	Value
Body Class	Pickup
Brake System Type	Hydraulic
Cab Type	Crew/Super Crew/Crew Max
Cooling Type	Water
Displacement (CC)	4300.0
Displacement (CI)	262.40209960734
Displacement (L)	4.3
Doors	4
Drive Type	4WD/4-Wheel Drive/4x4
Engine Configuration	V-Shaped
Engine Manufacturer	WRN
Engine Model	LU3
Engine Number of Cylinders	6
Front Air Bag Locations	1st Row (Driver and Passenger)
Fuel Delivery / Fuel Injection Type	Multipoint Fuel Injection (MPFI)
Fuel Type - Primary	Gasoline
Gross Vehicle Weight Rating From	Class 1D: 5,001 - 6,000 lb (2,268 - 2,722 kg)
Model	Sonoma
Model Year	2004
Other Engine Info	90 Degrees
Plant City	Linden
Plant Company Name	GM Truck Group
Plant Country	United States
Plant State	New Jersey
Trim	1/2 ton
Valve Train Design	Overhead Valve (OHV)
Vehicle Descriptor	1GTDT13X*4K
Vehicle Type	Truck
Sample_VIN	1GTDT13X04K104232