Free 2008 GMC Sierra VIN Decoder

How to decode a 2008 GMC Sierra VIN

Characters 1-3 of a 2008 GMC Sierra VIN

A World Manufacturer Identifier (WMI) is a unique code consisting of the first three characters of a Vehicle Identification Number (VIN), which signifies the vehicle manufacturer, the type of vehicle, and the country of manufacture. For the 2008 GMC Sierra, three distinct WMIs were used: 1GT, 2GT, and 3GT, all assigned to General Motors LLC, indicating these trucks were manufactured by General Motors in Warren, Michigan, United States. The use of different WMIs across the model years signifies the various classifications or specifications within the GMC Sierra lineup. Specifically, the WMIs cover a range of model years, with 1GT extending from 1989 to 2024, 2GT covering years from 1989 to 2009 and again in 2018, and finally, 3GT spanning from 2006 to 2024. This method of identification ensures each vehicle can be uniquely identified and traced back to its origin, model, and year of production.

List of WMI Codes for a 2008 GMC Sierra

WMI: 2GT

• Model Years Covered: 1989-2009, 2018
• Example VIN: 2GTEC13J081110845
• Manufacturer Name: General Motors LLC
• Vehicle Type: Truck
• City: Warren
• State or Province: Michigan
• Country: United States

WMI: 1GT

• Model Years Covered: 1989-2024
• Example VIN: 1GTEC14J08Z297140
• Manufacturer Name: General Motors LLC
• Vehicle Type: Truck
• City: Warren
• State or Province: Michigan
• Country: United States

WMI: 3GT

• Model Years Covered: 2006-2024
• Example VIN: 3GTEK13J08G210938
• 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 2008 GMC Sierra 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 2008 GMC Sierra:

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 2008 GMC Sierra 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 2008 GMC Sierra VIN — Year Code

11th Character in the 2008 GMC Sierra VIN — Plant Code(s)

Known 2008 GMC Sierra Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 2008 GMC Sierra

The final 6 characters in a 2008 GMC Sierra’s 17-digit VIN are its serial number, which will be unique to every vehicle.

What info can a 2008 GMC Sierra VIN reveal?

• Model Year: The VIN can reveal the vehicles model year being the year 2008, providing insights into the age and potential market value of the vehicle.
• Engine Specs: Critical engine details are provided, such as a V-Shaped configuration, an engine from GM named LMG, featuring 8 cylinders, and a displacement of 5.3 liters, indicating the power and performance capabilities of the vehicle.
• Fuel Type: The VIN details the vehicle’s compatibility with Flexible Fuel Vehicle (FFV), supporting variations in fuel types and offering flexibility for the fueling options.
• Body and Size: Information about the vehicle’s body, such as being a Pickup with a Cab Type that can vary (Extra/Super/Quad/Double/King/Extended), and having 4 doors is encoded within the VIN, offering detailed insights into the vehicle’s design and capacity.
• Drive Type and Brake System: The VIN reveals the vehicle’s drive type as 4x2 and the brake system type as Hydraulic, providing clear information on the vehicle’s handling characteristics and braking system.
• Manufacturing Details: Insights into the manufacturing location, including the plant city of Roanoke, plant state of Indiana, and the country as the United States, are included, offering a glimpse into the vehicle’s production origin.
• Vehicle Specifications and Features: The VIN provides specifics like the Sierra model, the SL trim level, and additional engine information such as active fuel management indicating advanced technological features, offering a comprehensive overview of the vehicle’s key specifications and features.

Sample VIN Decode Report for a 2008 GMC Sierra

Source