How to Read a GM Vin Number Runs

Unlock the secrets of your GM vehicle by learning how to read its Vin number. By following these steps, you can easily decode the information provided by a GM Vin number and understand the details about your vehicle.

Key Takeaways:

  • Locate the Vin number on the front dashboard of the vehicle.
  • Verify the first two numbers of the Vin to identify a GM vehicle manufactured in the United States.
  • Understand the significance of the third number in determining the specific division of GM.
  • Identify the car line and series using the fourth and fifth characters in the Vin number.
  • Decode the sixth character to determine the body style of the GM vehicle.

Identifying a GM Vehicle

The VIN number provides crucial information for identifying a GM vehicle. By understanding how to decode the VIN, you can determine important details such as the vehicle’s make, model, year, and assembly plant. Here are the steps to follow:

  1. Locate the VIN on the front dashboard of the vehicle.
  2. Verify that the first two numbers of the VIN, known as the World Manufacturer Identification (WMI), is 1G, which means it’s a GM vehicle manufactured in the United States. The third number identifies the division of GM (1=Chevrolet, 2=Pontiac, 3=Oldsmobile, 4=Buick, 6=Cadillac, 8=Saturn).
  3. Look for the fourth and fifth characters of the VIN, which define the car line and series.
  4. Identify the sixth character, which describes the body style.
  5. Locate the seventh and eighth characters, which describe the restraint code and engine type.
  6. Find the ninth character, which is the check digit used for accuracy verification.
  7. Look at the tenth and eleventh digits, which indicate the model year and the GM-specific assembly plant.
  8. The final characters, 12 through 17, define the serial number for the vehicle.

By following these steps, you will have a clear understanding of a GM vehicle’s identification based on its VIN number. This information can be valuable when buying, selling, or researching a GM vehicle.

VIN CharacterInformation Provided
1GGM vehicle manufactured in the United States
3Oldsmobile division (example)
45Car line and series (example)
6Two-door convertible body style (example)
1FRestraint code and engine type (example)
9Check digit verification (example)
21Model year and assembly plant (example)
123456Serial number (example)

Understanding the Car Line and Series

The fourth and fifth characters in the GM Vin number reveal important details about the car line and series. These characters hold critical information that helps identify the specific model of a GM vehicle. By decoding these characters, you can gain insights into the car line and series.

Table 1: GM Car Line and Series

CharacterCar LineSeries
AAGM Full-Size Trucks1/2 Ton
ABGM Full-Size Trucks3/4 Ton
ACGM Full-Size Trucks1 Ton

As seen in Table 1, each car line has various series options. For example, the car line “GM Full-Size Trucks” offers multiple series options such as 1/2 Ton, 3/4 Ton, and 1 Ton, each indicating different load capacity and specifications. Decoding the fourth and fifth characters in the GM Vin number allows you to determine which car line and series the vehicle belongs to, providing valuable information about its capabilities and characteristics.

By understanding the significance of the fourth and fifth characters in the GM Vin number, you can identify the specific car line and series of a GM vehicle, empowering you with knowledge about its model and potential features.

Decoding the Body Style

The sixth character in the GM Vin number provides valuable information about the body style of a vehicle. By decoding this character, you can easily identify the type of body a GM vehicle has. Here is a breakdown of the codes used to represent various body styles:

CodeBody Style
1Two-door coupe
2Two-door
3Two-door convertible
5 or 6Four-door sedan
7Four-door MPV
8 or 9Four-door station wagon

Knowing the body style of a GM vehicle can be helpful when identifying and understanding its features. Whether you are interested in a coupe, a sedan, or a convertible, decoding the sixth character of the Vin number will provide you with the necessary information.

Note: It is important to remember that GM Vin numbers provide specific details about a vehicle and can vary depending on the model and year. Always refer to official GM resources or consult with a certified dealer for precise information.

Example:

For instance, if the sixth character of a GM Vin number is ‘1’, it indicates that the vehicle is a two-door coupe. On the other hand, if the sixth character is ‘5’ or ‘6’, it signifies that the vehicle is a four-door sedan. By understanding these codes, you can quickly identify the body style of a GM vehicle.

Understanding Restraint Codes and Engine Types

The seventh and eighth characters in the GM Vin number give insights into the restraint code and engine type of a vehicle. These characters are crucial in identifying the safety features and engine specifications of a GM vehicle. Let’s decode and understand what they mean.

The seventh character represents the restraint code, which provides valuable information about the safety features installed in the vehicle. This code indicates whether the vehicle is equipped with airbags, seat belts, and other safety measures. By referring to the manufacturer’s documentation, you can determine the specific safety features associated with the restraint code.

The eighth character denotes the engine type of the GM vehicle. It helps in identifying the type of engine installed, such as gasoline, diesel, hybrid, or electric. The engine type plays a vital role in determining the performance, fuel efficiency, and environmental impact of the vehicle. Understanding this character allows you to gather information about the powertrain specifications and make informed decisions based on your preferences.

Now that you know how to interpret the seventh and eighth characters in the GM Vin number, you can gain valuable insights into the restraint code and engine type of a vehicle. This knowledge will help you understand the safety features and engine specifications before purchasing or inspecting a GM vehicle, ensuring you make informed decisions that align with your requirements.

CharacterMeaning
7Restraint Code
8Engine Type

Interpreting Model Year and Assembly Plant

The tenth and eleventh characters in the GM Vin number provide information about the model year and assembly plant of a vehicle. The tenth character represents the model year, indicating the year in which the vehicle was manufactured. For example, if the tenth character is ‘A,’ it signifies that the vehicle was produced in the year 2010. Each letter of the alphabet corresponds to a specific year.

The eleventh character reveals the assembly plant where the vehicle was manufactured. GM has several assembly plants across the United States, and each plant is assigned a unique code. By decoding the eleventh character, you can determine where your GM vehicle was built. This information can be helpful when tracing the origin and production details of a specific vehicle.

Deciphering the model year and assembly plant characters in the GM Vin number provides valuable insights into your vehicle’s manufacturing history. It allows you to understand the age of the vehicle and where it was assembled. Whether you are purchasing a used GM vehicle or simply curious about your own car’s background, decoding the Vin number can help uncover important details about the vehicle’s origins.

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