Free 1991 Geo Prizm VIN Decoder

How to decode a 1991 Geo Prizm VIN

Characters 1-3 of a 1991 Geo Prizm VIN

A World Manufacturer Identifier (WMI) is a unique code used to identify the manufacturer of a vehicle and specific attributes about it, such as the country of manufacture, vehicle type, and the model year. For instance, the 1991 Geo Prizm has a WMI of “1Y1,” indicating that it was manufactured by New United Motor Manufacturing, Inc. in the United States, specifically in Fremont, California. This code is crucial in the automotive industry for tracking, registration, and identification purposes. It reveals that this particular model falls within the category of passenger cars and covers a production span from 1990 to 1997, providing valuable information for owners, sellers, and service providers alike.

List of WMI Codes for a 1991 Geo Prizm

WMI: 1Y1

• Model Years Covered: 1990-1997
• Example VIN: 1Y1SK5463MZ004054
• Manufacturer Name: New United Motor Manufacturing, Inc.
• Vehicle Type: Passenger Car
• City: Fremont
• State or Province: California
• Country: United States

Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 1991 Geo Prizm 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 Geo Prizm:

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 Geo Prizm 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 Geo Prizm VIN — Year Code

11th Character in the 1991 Geo Prizm VIN — Plant Code(s)

Known 1991 Geo Prizm Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 1991 Geo Prizm

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

What info can a 1991 Geo Prizm VIN reveal?

• Model Year: The VIN can reveal the vehicle’s model year as 1991, providing insights into the age and potential market value of the vehicle.
• Body Class and Doors: The VIN indicates that the vehicle’s body class is a Sedan/Saloon, equipped with 4 doors, offering insights into the vehicle’s design and functionality.
• Engine Type: Specific engine specifications, including the engine model 4A-FE, an in-line configuration, and a displacement of 1.60 liters or 97.64 cubic inches, are encoded within the VIN, highlighting the vehicle’s performance capabilities.
• Fuel Type: The primary fuel type for the vehicle is identified as Gasoline, indicating the vehicle’s designed energy source.
• Manufacturing Location: The VIN holds clues to the vehicle’s origin, specifying that it was manufactured in Fremont, California, United States by New United Motor Manufacturing, Inc., providing a trace of the vehicle’s production history.
• Safety Features: Information such as the seat belt type being automatic can be identified, giving insights into the safety measures equipped in the vehicle.
• Valve Train Design: The VIN unveils the engine’s valve train design as a Dual Overhead Cam (DOHC), elaborating on the engine’s technical sophistication and efficiency.

Sample VIN Decode Report for a 1991 Geo Prizm

Source