Free 1991 GMC S15 Utility VIN Decoder

How to decode a 1991 GMC S15 Utility VIN

Characters 1-3 of a 1991 GMC S15 Utility VIN

A World Manufacturer Identifier (WMI) is a unique code used to identify the manufacturer of a vehicle and provides key details about it, including the country of manufacture, type of vehicle, and manufacturing facility. For the GMC S15 Utility vehicle from 1991, the WMI “1GK” specifies that the vehicle was produced by General Motors LLC in the United States, specifically in Warren, Michigan. This particular identifier is associated with multipurpose passenger vehicles, indicating the type of vehicle. WMIs are crucial in understanding the origin and basic characteristics of vehicles at a glance. The WMI forms the first three characters of the vehicle identification number (VIN), which offers a detailed blueprint of the vehicle’s identity.

List of WMI Codes for a 1991 GMC S15 Utility

WMI: 1GK

• Model Years Covered: 1987-1989, 1991-1994
• Example VIN: 1GKCS18Z0M0501402
• 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 GMC S15 Utility 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 GMC S15 Utility:

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 GMC S15 Utility 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 GMC S15 Utility VIN — Year Code

11th Character in the 1991 GMC S15 Utility VIN — Plant Code(s)

Known 1991 GMC S15 Utility Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 1991 GMC S15 Utility

The final 6 characters in a 1991 GMC S15 Utility’s 17-digit VIN are its serial number, which will be unique to every vehicle.

What info can a 1991 GMC S15 Utility VIN reveal?

• Model Year: The VIN can reveal the vehicles model year being the year 1991, providing insights into the age and potential market value of the vehicle.
• Engine Specifications: The engine type is a V-shaped, 6-cylinder engine manufactured by CPC, showcasing a displacement of 4.3L or equivalent in CC and CI measurements, possibly indicating the vehicle’s power and performance capabilities.
• Body Class and Size: This vehicle is classified as a Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV) with 4 doors, indicating its capability to serve various passenger and cargo transport needs, offering versatility in its design.
• Drive Type: It features a 4WD (4-Wheel Drive/4x4) system, which may provide enhanced traction and performance in different driving conditions, offering potential advantages in off-road and adverse weather scenarios.
• Fuel Type and Efficiency: The vehicle utilizes gasoline as its primary fuel type in conjunction with a Throttle Body Fuel Injection (TBI) system, specifying its fuel delivery method, which could impact its fuel efficiency and overall performance.
• Safety and Weight Classification: The vehicle falls within the Gross Vehicle Weight Rating of Class 1D: 5,001 - 6,000 lb, suggesting its size and weight category, which may impact its handling and safety features, possibly influencing its stability and safety measures.
• Manufacturing Details: The vehicle was assembled in Moraine, Ohio, United States, providing insights into the vehicle’s origin and the manufacturing standards at the time of production, potentially reflecting the quality control and production standards.

Sample VIN Decode Report for a 1991 GMC S15 Utility