Free 1999 GMC Sonoma VIN Decoder

How to decode a 1999 GMC Sonoma VIN

Characters 1-3 of a 1999 GMC Sonoma VIN

WMI, or World Manufacturer Identifier, is an essential part of the Vehicle Identification Number (VIN) that specifies the manufacturer of the vehicle. For the 1999 GMC Sonoma, the WMI is “1GT,” which signifies that General Motors LLC in the United States is the manufacturer. Specifically, these trucks were assembled in Warren, Michigan. The WMI not only indicates the manufacturer but also provides insights into the vehicle type, in this case, highlighting that it’s a truck. This unique identifier is crucial for vehicle tracking, registration, and recall purposes.

List of WMI Codes for a 1999 GMC Sonoma

WMI: 1GT

• Model Years Covered: 1991-2004
• Example VIN: 1GTCS19X1X8508907
• 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 1999 GMC Sonoma 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 1999 GMC Sonoma:

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 1999 GMC Sonoma 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 1999 GMC Sonoma VIN — Year Code

11th Character in the 1999 GMC Sonoma VIN — Plant Code(s)

Known 1999 GMC Sonoma Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 1999 GMC Sonoma

The final 6 characters in a 1999 GMC Sonoma’s 17-digit VIN are its serial number, which will be unique to every vehicle.

Check your GMC Sonoma’s VIN below:

What info can a 1999 GMC Sonoma VIN reveal?

• Model Year: The VIN can reveal the vehicle’s model year as 1999, providing insights into the age and potential technological features at the time of production.
• Body Class and Vehicle Type: The VIN indicates the vehicle is a Pickup Truck, offering specifics on the body style that may influence its usage, capacity, and appeal to certain buyers or industries.
• Engine Specifications: Detailed engine information can be decoded, including that the vehicle has a 2.2L In-Line 4-Cylinder engine with Multipoint Fuel Injection, indicating efficiency and performance characteristics.
• Fuel Type: The primary fuel type for this vehicle is Gasoline, which is important for understanding its environmental impact and fuel economy.
• Drive Type and Braking System: The VIN specifies a 4x2 drive type paired with a Hydraulic brake system, providing potential buyers with essential insights into the vehicle’s handling and safety features.
• Manufacturing Details: The vehicle is assembled in Shreveport, Louisiana, United States by GM Truck Group, offering a glimpse into the production origin which can affect perceptions of quality and support local economies.
• Vehicle Identification: Specific identifiers such as the model (Sonoma), series (Small Conventional Cab), and trim (1500 1/2 ton) can be determined, assisting in accurate vehicle identification and comparison.

Sample VIN Decode Report for a 1999 GMC Sonoma

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