Free 1991 Chevrolet G-Series VIN Decoder

Discover the power and reliability of your 1991 Chevrolet G-Series. Unveil the strengths that make it not just a spacious van but a loyal travel partner for every journey. Use our free decoder by entering your VIN below to explore your vehicle's unique features and capabilities.

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How to decode a 1991 Chevrolet G-Series VIN

Characters 1-3 of a 1991 Chevrolet G-Series VIN

A World Manufacturer Identifier (WMI) is a unique code that identifies the manufacturer of a vehicle, the type of vehicle, and the country of manufacture. The WMI for the 1991 Chevrolet G-Series, for instance, is “1GC” for those models manufactured by General Motors LLC in the United States, specifically in Warren, Michigan. This WMI code indicates that the vehicle is a truck, reflecting General Motors’ categorization of the G-Series. WMIs are essential for accurately identifying and registering vehicles, ensuring that each one can be distinctly traced back to its manufacturer, vehicle type, and origin. The coding system is standardized globally, making it an integral part of the automotive industry for tracking and regulation purposes.

List of WMI Codes for a 1991 Chevrolet G-Series

WMI: 2GC

  • Model Years Covered: 1986, 1988-1993
  • Example VIN: 2GCHG31K1M4103503
  • Manufacturer Name: General Motors LLC
  • Vehicle Type: Truck
  • City: Warren
  • State or Province: Michigan
  • Country: United States

WMI: 1GC

  • Model Years Covered: 1981-1983, 1985-1996
  • Example VIN: 1GCEG25H1M7118342
  • Manufacturer Name: General Motors LLC
  • Vehicle Type: Truck
  • City: Warren
  • State or Province: Michigan
  • Country: United States

WMI: 1GN

  • Model Years Covered: 1989, 1991, 1994-1996
  • Example VIN: 1GNGG35KXM7135805
  • 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 1991 Chevrolet G-Series 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 1991 Chevrolet G-Series:

Known VDS for a 1991 Chevrolet G-Series
HG31KEG25HGG35KEG25KGG39K

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 1991 Chevrolet G-Series 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 1991 Chevrolet G-Series VIN — Year Code

Year Code Year
M 1991

11th Character in the 1991 Chevrolet G-Series VIN — Plant Code(s)

Known 1991 Chevrolet G-Series Assembly Factory VIN Code(s)

Plant Code Plant City Plant State Plant Country Plant Company Name Example VIN
4 Scarborough Ontario Canada 2GCHG31K1M4103503
7 Lordstown Ohio United States 1GCEG25H1M7118342

VIN Characters 12 - 17 of a 1991 Chevrolet G-Series

The final 6 characters in a 1991 Chevrolet G-Series’s 17-digit VIN are its serial number, which will be unique to every vehicle.

Check your Chevrolet G-Series’s VIN below:

How to find a 1991 Chevrolet G-Series’s VIN?

Locating the VIN number on your 1991 Chevrolet G-Series is key for identification. Here’s how to find it:

  1. Inspect the dashboard on the driver’s side of your Chevrolet G-Series 1991. The VIN can typically be seen through the windshield on a small plate near where the dashboard meets the glass.
  2. Look at the driver’s side door jamb of your Chevrolet G-Series. The VIN might be found on a sticker or plate where the door latches when closed.
  3. Check under the hood of your Chevrolet G-Series 1991. The VIN might be stamped on the front of the engine block.
  4. Peek inside the driver’s side wheel well. In some cases, the VIN can be found on the frame within the wheel well of your Chevrolet G-Series.
  5. Examine the rear wheel well on the driver’s side; occasionally, the VIN is placed above the tire.
  6. If your Chevrolet G-Series has a spare tire, sometimes the VIN can be found printed near where the spare tire is stored or mounted.
VIN Decoder

What info can a 1991 Chevrolet G-Series VIN reveal?

  • Model Year: The VIN can reveal the vehicle’s model year, in this case, it may be the year 1991, providing insights into the age and potential market value of the vehicle.
  • Vehicle Type and Body Class: The VIN specifies the vehicle as a Truck with a specific classification as a Cargo Van, offering insights into both the vehicle’s function and form.
  • Engine and Performance Specifications: The vehicle is said to be powered by a gasoline engine with a displacement of 5.7 liters (5700 CC or 347.835 CI), an engine configuration of V-Shaped, and eight cylinders. The engine is possibly built by CPC with throttle body fuel injection (TBI) technology, potentially highlighting its performance capabilities.
  • Drive Type and Brake System: It features a 4x2 drive type and a hydraulic brake system, suggesting its drive layout and braking mechanism.
  • Manufacturing Details: The VIN provides detailed manufacturing location information, including the city (Scarborough), country (Canada), and state (Ontario), providing a potential origin trace.
  • Weight Category: The Gross Vehicle Weight Rating (GVWR) falls within Class 2G: 8,001 - 9,000 lb (3,629 - 4,082 kg), indicating the vehicle’s weight class and potential load capacity.
  • Fuel Type and Conversion Options: The VIN suggests that the vehicle primarily utilizes gasoline and may also support LPG conversion, showcasing its potentially adaptable fueling options.
VIN Decoder

Don’t have your 1991 Chevrolet G-Series’s VIN handy? Try our license plate lookup instead!

Sample VIN Decode Report for a 1991 Chevrolet G-Series

Vehicle Spec Value
Body Class Cargo Van
Brake System Type Hydraulic
Displacement (CC) 5700.0
Displacement (CI) 347.83534133997
Displacement (L) 5.7
Drive Type 4x2
Engine Configuration V-Shaped
Engine Manufacturer CPC
Engine Number of Cylinders 8
Fuel Delivery / Fuel Injection Type Throttle Body Fuel Injection (TBI)
Fuel Type - Primary Gasoline
Gross Vehicle Weight Rating From Class 2G: 8,001 - 9,000 lb (3,629 - 4,082 kg)
Model G-Series
Model Year 1991
Other Engine Info LPG conversion can be accomplished on the engine.
Plant City Scarborough
Plant Company Name
Plant Country Canada
Plant State Ontario
Series Van
Series2 Extended Van
Trim2 1 ton nominal
Vehicle Descriptor 2GCGG39K*M4
Vehicle Type Truck
Sample_VIN 2GCGG39KXM4137567

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