Free 1991 Buick Regal VIN Decoder

How to decode a 1991 Buick Regal VIN

Characters 1-3 of a 1991 Buick Regal VIN

A World Manufacturer Identifier (WMI) is the first set of characters in a Vehicle Identification Number (VIN) used globally to identify the manufacturer of a vehicle. Each symbol within the WMI holds specific information; for the 1991 Buick Regal, the WMI “2G4” denotes a vehicle that was manufactured by General Motors LLC in the United States. Specifically, it was assembled in Warren, Michigan, marking it as a passenger car made between the years 1988 to 2004 and then again from 2011 to 2017. This information not only aids in identifying the vehicle’s origin but also assists in tracking its history, specifications, and manufacturing details. Understanding a vehicle’s WMI is essential for verification, registration, and in certain cases, recall or legal actions.

List of WMI Codes for a 1991 Buick Regal

WMI: 2G4

• Model Years Covered: 1988-2004, 2011-2017
• Example VIN: 2G4WB54T5M1854249
• Manufacturer Name: General Motors LLC
• Vehicle Type: Passenger Car
• City: Warren
• State or Province: Michigan
• Country: United States

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

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 Buick Regal 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 Buick Regal VIN — Year Code

11th Character in the 1991 Buick Regal VIN — Plant Code(s)

Known 1991 Buick Regal Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 1991 Buick Regal

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

What info can a 1991 Buick Regal VIN reveal?

• Model Year: The VIN may indicate that the vehicle is from the model year 1991, providing insights into the age and potential market value of the vehicle.
• Vehicle Type and Body Class: The VIN suggests the vehicle type as a Passenger Car with a body class of Sedan/Saloon, offering insights into the vehicle’s design and intended use.
• Engine Specifications: The VIN provides details about the engine, noting a V-Shaped engine configuration with a displacement of 3.1 liters (3100 CC or 189.173 CI), which may indicate the engine’s size and potential power output.
• Fuel Type and Injection System: It is suggested by the VIN that the primary fuel type is Gasoline with a Multipoint Fuel Injection (MPFI) system, highlighting the vehicle’s fuel system and efficiency characteristics.
• Manufacturing Details: According to the VIN, the vehicle was manufactured in Oshawa #2, Ontario, Canada, offering a glimpse into the origin and potentially the manufacturing standards of the vehicle.
• Safety Features: The VIN indicates the seat belt type as automatic, offering insights into the vehicle’s safety features, which could be crucial for understanding its safety credentials.
• Trim and Model Information: The trim is listed as Custom for the model Regal, providing clues to the vehicle’s level of comfort, aesthetic features, and possibly additional equipment that came with this particular version.

Sample VIN Decode Report for a 1991 Buick Regal