How to decode a 2004 GMC Envoy VIN

Characters 1-3 of a 2004 GMC Envoy VIN

A World Manufacturer Identifier (WMI) is the initial string of three characters found in the Vehicle Identification Number (VIN) which uniquely identifies the manufacturer of the vehicle. The WMI for certain GMC Envoy models, assigned between 2002 and 2009, is “1GK.” This reveals that General Motors LLC, located in Warren, Michigan, United States, is the manufacturer. These characters signify that the vehicle is classified as a Multipurpose Passenger Vehicle (MPV), indicating its design to serve various passenger and light cargo transport purposes. Understanding the WMI is crucial for vehicle identification, registration, and tracking purposes.

List of WMI Codes for a 2004 GMC Envoy

WMI: 1GK

Model Years Covered: 2002-2009
Example VIN: 1GKES16P146234522
Manufacturer Name: General Motors LLC
Vehicle Type: Multipurpose Passenger Vehicle (MPV)
City: Warren
State or Province: Michigan
Country: United States

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

Known VDS for a 2004 GMC Envoy
ES16P	ET12P	ET16S	ES12P	DS13S	ET16P	ET12S	ES16S	DT13S	ES12S

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 Envoy 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 Envoy VIN — Year Code

Year Code	Year
4	2004

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

Known 2004 GMC Envoy Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
2	Moraine	Ohio	United States	Gm Truck Group	1GKDS13S042101357
6	Oklahoma City	Oklahoma	United States	Gm Truck Group	1GKES16P146234522

VIN Characters 12 - 17 of a 2004 GMC Envoy

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

Check your GMC Envoy’s VIN below:

How to find a 2004 GMC Envoy’s VIN?

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

Look at the dashboard on the driver’s side of your GMC Envoy. This is a common place where the VIN can often be seen through the windshield on a small plate.
Open the driver’s side door and inspect the door pillar (door jamb). The VIN might be located on a label or sticker where the door latches when closed.
Check under the hood of your GMC Envoy. The VIN may be stamped on the engine block, or on a plate attached to the chassis or firewall within the engine bay.
Look at the rear wheel well. Sometimes on vehicles like the GMC Envoy, the VIN can be found on the top of the wheel well.
Examine the front frame. On some models of the GMC Envoy, the VIN is stamped on the front of the vehicle’s frame.
If you are unable to locate the VIN in any of these areas, consult the vehicle’s owner’s manual or GM’s customer service for specific guidance on where to find the VIN on your particular model year of GMC Envoy.

What info can a 2004 GMC Envoy VIN reveal?

Model Year: The VIN can reveal the vehicle’s model year, such as 2004, providing insights into the age and potential market value of the vehicle.
Vehicle Type and Body Class: It can show that the vehicle is designed as a Multipurpose Passenger Vehicle, specifically a Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV), indicating its intended use and body style.
Engine Details: The VIN provides detailed engine specifications including an in-line engine configuration, a displacement of 4.2 liters or 4200.0 CC, and the engine model LL8 by GM, suggesting insights into the vehicle’s performance capabilities.
Fuel Type and Efficiency Systems: The vehicle uses Gasoline as its primary fuel type and features a Multipoint Fuel Injection (MPFI) system, which can give an idea about its fuel efficiency and performance characteristics.
Safety and Construction: With a Brake System Type of Hydraulic, this detail could hint at the vehicle’s safety features and braking capabilities, essential for understanding its driving and safety standards.
Manufacturing Details: Information like the Plant City being Oklahoma City, the Plant Company Name as GM Truck Group, and manufacturing in the United States, can provide insights into the origin and quality control standards of the vehicle.
Model Identifiers: The VIN gives specific information like the model, Envoy, and series, XUV, which helps in identifying the vehicle’s design, market positioning, and features tailored to this model line.

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

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Sample VIN Decode Report for a 2004 GMC Envoy

Vehicle Spec	Value
Body Class	Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV)
Brake System Type	Hydraulic
Cooling Type	Water
Displacement (CC)	4200.0
Displacement (CI)	256.29972519787
Displacement (L)	4.2
Doors	4
Engine Configuration	In-Line
Engine Manufacturer	GM
Engine Model	LL8
Engine Number of Cylinders	6
Fuel Delivery / Fuel Injection Type	Multipoint Fuel Injection (MPFI)
Fuel Type - Primary	Gasoline
Gross Vehicle Weight Rating From	Class 2E: 6,001 - 7,000 lb (2,722 - 3,175 kg)
Model	Envoy
Model Year	2004
Plant City	Oklahoma City
Plant Company Name	GM Truck Group
Plant Country	United States
Plant State	Oklahoma
Series	XUV
Valve Train Design	Dual Overhead Cam (DOHC)
Vehicle Descriptor	1GKES12S*46
Vehicle Type	Multipurpose Passenger Vehicle
Sample_VIN	1GKES12S046143042