Free GMC Sierra HD VIN Decoder

How to decode a GMC Sierra HD VIN

Characters 1-3 of a GMC Sierra HD VIN

World Manufacturer Identifier (WMI) codes are unique three-letter codes assigned to every vehicle manufacturer to identify the make and country of origin of their vehicles. For the GMC Sierra HD, the WMI codes are 1GT and 2GT. These codes signify that the vehicles are manufactured by General Motors LLC, specifically indicating trucks produced in the United States, within the city of Warren, Michigan. The 1GT and 2GT codes cover various model years, including 2019 for both, and additionally 2022 through 2024 for the 1GT code, indicating a range of Sierra HD trucks. These codes provide a method for identifying key characteristics of vehicles, including the manufacturer’s name, vehicle type, and location of production.

List of WMI Codes for a GMC Sierra HD

WMI: 1GT

• Model Years Covered: 2019, 2022-2024
• Example VIN: 1GT12NEG0KF109432
• Manufacturer Name: General Motors LLC
• Vehicle Type: Truck
• City: Warren
• State or Province: Michigan
• Country: United States

WMI: 2GT

• Model Years Covered: 2019
• Example VIN: 2GT22PEG0K1121152
• 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 GMC Sierra HD VIN

These characters correspond to components like:

• Engine type
• Transmission
• Model or trim
• Body style
• Gross vehicle weight range

Below find the most popular vehicle descriptor codes for a 2024 GMC Sierra HD:

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 GMC Sierra HD 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 GMC Sierra HD VIN — Year Code

11th Character in the GMC Sierra HD VIN — Plant Code(s)

Known GMC Sierra HD Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a GMC Sierra HD

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

What info can a GMC Sierra HD VIN reveal?

• Model Year: The VIN can reveal the vehicles model year being the year 2023, providing insights into the age and potential historical value of the vehicle.
• Body Class and Doors: A VIN can specify the body class. For the 2023 Sierra HD, this may indicate a Pickup with specific details on its design and structure.
• Drive Type: The drive type can also be identified from the VIN. In the case of the 2023 Sierra HD, it may indicate if it is a 4WD, offering insights into the vehicle’s handling characteristics and drive configuration.
• Engine Type: The VIN may provide detailed engine information, such as a 6.6L V-Shaped Diesel engine with eight cylinders, indicating the vehicle’s power and efficiency potential.
• Safety Features: Safety equipment like Anti-lock Braking System (ABS), Blind Spot Warning (BSW), and Curtain Airbags covering all rows are typically disclosed, showing a vehicle’s emphasis on occupant protection.
• Fuel Type: VINs can specify the primary fuel type a vehicle uses, for example, Diesel, offering insight into its performance and environmental footprint.
• Manufacturing Details: The place of manufacture, including city and country like Flint, United States, can be found, hinting at the vehicle’s origin and potentially its build quality.
• Advanced Features: It may list advanced technological features such as Parking Assist, Keyless Ignition, or Pedestrian Automatic Emergency Braking, showcasing the vehicle’s modernity and convenience.

Sample VIN Decode Report for a GMC Sierra HD