Free GMC VIN Decoder

How to decode a GMC VIN

Characters 1-3 of a GMC VIN

World Manufacturer Identifiers (WMIs) are unique codes composed of three letters or numbers that identify the manufacturer of a vehicle. These codes can reveal several details about a vehicle, such as the manufacturing company, vehicle type, and even the geographical location of its manufacturing facility. For example, General Motors LLC utilizes numerous WMIs for its various vehicle types, including trucks and multipurpose passenger vehicles (MPVs), across a range of model years extending from 1981 to 2024. The WMIs beginning with 1G, 2G, 3G, and 2CT specifically designate vehicles made by General Motors in Warren, Michigan, United States, covering a variety of model years and vehicle types. This system of identification allows for easy recognition and classification of vehicles worldwide.

List of WMI Codes for a GMC

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

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 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 VIN — Year Code

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

Known GMC Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a GMC

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

What info can a GMC VIN reveal?

• Model Year: The VIN can reveal the vehicles model year being the year 2018, providing insights into the age and potential historical value of the vehicle.
• Engine Type: The engine model is identified as LGX, featuring Direct Injection, Variable Valve Timing, and it’s an Aluminum, GEN 2 with a displacement of 3.6 Liters, illustrating the level of detailed information on engine type and technology that can be gleaned.
• Safety Features: Several advanced safety features such as Rear Cross Traffic Alert, Front and Rear Park Assist, Lane Change Alert, and Adaptive Driving Beam are noted to be standard, highlighting the comprehensive safety details available.
• Drive Type and Transmission: It specifies the vehicle as having Front-Wheel Drive (FWD) and an automatic transmission with 6 speeds, showcasing the drivetrain and transmission details encoded within a VIN.
• Fuel Type: This vehicle uses Gasoline, showcasing how fuel preferences or requirements can be identified through VIN decoding.
• Body Class and Capacity: The body is classified as a Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV) with seating for 7 across 3 rows, providing insights into vehicle design and passenger capacity.
• Manufacturing Details: The vehicle was assembled in Springhill, Tennessee, USA by GMNMA, demonstrating how VINs can offer precise manufacturing location and company information.

Sample VIN Decode Report for a GMC