How to decode a 2003 GMC Envoy VIN

Characters 1-3 of a 2003 GMC Envoy VIN

A World Manufacturer Identifier (WMI) is a unique code assigned to every vehicle manufacturer globally, serving as the first three characters of the Vehicle Identification Number (VIN). For the 2003 GMC Envoy, the WMI “1GK” specifies the vehicle’s manufacturer, General Motors LLC, indicating its lineage. This specific code points to a Multipurpose Passenger Vehicle (MPV), designed for a variety of passenger and light cargo purposes. Manufactured in Warren, Michigan, United States, this delineation not only identifies the make and model but also provides insight into the vehicle’s origins and type. The WMI is crucial for tracking, registration, and identification purposes, ensuring that each vehicle can be uniquely identified worldwide.

List of WMI Codes for a 2003 GMC Envoy

WMI: 1GK

Model Years Covered: 2002-2009
Example VIN: 1GKDT13S032115979
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 2003 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 2003 GMC Envoy:

Known VDS for a 2003 GMC Envoy
DT13S	DS13S	ET16S	ET16P	ES16S	ES16P

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 2003 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 2003 GMC Envoy VIN — Year Code

Year Code	Year
3	2003

11th Character in the 2003 GMC Envoy VIN — Plant Code(s)

Known 2003 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	1GKDT13S032115979
6	Oklahoma City	Oklahoma	United States	Gm Truck Group	1GKET16P036177595

VIN Characters 12 - 17 of a 2003 GMC Envoy

The final 6 characters in a 2003 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 2003 GMC Envoy’s VIN?

Locating the VIN number on your 2003 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, where it meets the windshield. The VIN can usually be seen from outside the vehicle.
Examine the door frame or door post of the driver’s side door on your 2003 GMC Envoy, as the VIN is often placed on a label or sticker in that location.
Check under the hood; the VIN may also be stamped on the engine block, firewall, or other components within the engine compartment of the GMC Envoy.
Inspect the rear wheel well above the tire. In some cases, the VIN can be found stamped on the body in that area.
For additional documentation, look in the vehicle’s maintenance book or owner’s manual; the VIN for your GMC Envoy should be printed there for reference.
If your GMC Envoy has a spare tire, it’s also worth checking around the area where the spare tire is stored, as the VIN might be present there as well.

What info can a 2003 GMC Envoy VIN reveal?

Model Year: The VIN can reveal the vehicles model year being the year 2003, providing insights into the age and potential market value of the vehicle.
Engine Information: Specifics like the engine manufacturer (GM), engine model (LL8), and details about it being a 6-cylinder, 4.2L displacement engine with Multipoint Fuel Injection (MPFI) can often be discovered, offering a comprehensive understanding of the vehicle’s power and performance capabilities.
Fuel Type: The primary fuel type, such as gasoline, is identified, indicating the vehicle’s fuel compatibility, which can influence its efficiency and operating costs.
Body Type and Size: The VIN discloses the vehicle as a Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV) with 4 doors, providing insights into its size, design, and intended usage.
Drive Type: Vehicles are characterized by their drive type, such as 4x2, which is ascertainable through the VIN, offering important insights into the vehicle’s handling characteristics and drive configuration.
Plant Information: Production details, including plant city (Moraine), state (Ohio), country (United States), and the company name (GM Truck Group), highlight the manufacturing origin, providing valuable information about the vehicle’s production history.
Vehicle Weight Class: The VIN can reveal the gross vehicle weight rating, placing this specific vehicle in Class 2E: 6,001 - 7,000 lb (2,722 - 3,175 kg), which helps in understanding its size and potential usage, including towing and payload capacity.

Don’t have your 2003 GMC Envoy’s VIN handy? Try our license plate lookup instead!

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Sample VIN Decode Report for a 2003 GMC Envoy

Vehicle Spec	Value
Body Class	Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV)
Cooling Type	Water
Displacement (CC)	4200.0
Displacement (CI)	256.29972519787
Displacement (L)	4.2
Doors	4
Drive Type	4x2
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	2003
Plant City	Oklahoma City
Plant Company Name	GM Truck Group
Plant Country	United States
Plant State	Oklahoma
Trim	1/2 ton
Valve Train Design	Dual Overhead Cam (DOHC)
Vehicle Descriptor	1GKES16S*36
Vehicle Type	Multipurpose Passenger Vehicle
Sample_VIN	1GKES16S036119087