Free 1991 GMC V Conventional VIN Decoder

How to decode a 1991 GMC V Conventional VIN

Characters 1-3 of a 1991 GMC V Conventional VIN

A World Manufacturer Identifier (WMI) is the initial section of a vehicle identification number (VIN) that specifies the manufacturer of the vehicle, its country of origin, and the type of vehicle it is. Specifically, for certain GMC trucks manufactured between 1987 and 1991, the WMI is “1GT,” indicating that these vehicles were produced by General Motors LLC. These trucks are classified as part of the vehicle type “Truck” and were manufactured in Warren, Michigan, United States. This identifier not only helps in recognizing the vehicle’s manufacturer but also provides important details regarding the vehicle’s origins and category. The WMI is a crucial component in vehicle identification, ensuring each vehicle has a unique identifier that can trace back to its manufacturer, model, and production details.

List of WMI Codes for a 1991 GMC V Conventional

WMI: 1GT

• Model Years Covered: 1987-1991
• Example VIN: 1GTHV33N7MF702817
• Manufacturer Name: General Motors LLC
• Vehicle Type: Truck
• City: Warren
• State or Province: Michigan
• Country: United States

Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 1991 GMC V Conventional 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 V Conventional:

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 V Conventional 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 V Conventional VIN — Year Code

11th Character in the 1991 GMC V Conventional VIN — Plant Code(s)

Known 1991 GMC V Conventional Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 1991 GMC V Conventional

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

What info can a 1991 GMC V Conventional 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.
• Body Class and Cab Type: A VIN can specify the body class. For the 1991 [Make Model] this may indicate it is a Pickup with a Crew/Super Crew/Crew Max cab type, potentially offering detailed insights into the vehicle’s design and structure.
• Engine Type and Fuel Type: The VIN can provide details such as a 7.4-liter engine displacement, V-Shaped engine configuration, and it being a gasoline-powered vehicle with eight cylinders, offering insights into the vehicle’s power and fuel type.
• Drive Type: The drive type can also be identified from the VIN. In the case of the 1991 [Make Model], it is a 4WD/4-Wheel Drive/4x4, which can help in understanding the vehicle’s handling characteristics and drive configuration.
• Fuel Delivery System: The VIN may also reveal the fuel delivery system, such as Throttle Body Fuel Injection (TBI), showcasing the vehicle’s fuel distribution method, which could affect engine performance and efficiency.
• Gross Vehicle Weight Rating: The VIN can indicate the vehicle’s Gross Vehicle Weight Rating, falling within Class 2H: 9,001 - 10,000 lb, suggesting the vehicle’s maximum allowable weight, indicating its capacity for payload and towing.
• Manufacturing Details: The VIN provides manufacturing specifics such as the plant city being Flint, Michigan in the United States, offering a glimpse into the vehicle’s production location and possibly its build quality.

Sample VIN Decode Report for a 1991 GMC V Conventional

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