How to decode a 1991 Chevrolet Corvette VIN
Characters 1-3 of a 1991 Chevrolet Corvette VIN
World Manufacturer Identifier (WMI) codes serve as unique identifiers assigned to every car manufacturer globally to distinguish their vehicles. The WMI is the first three characters of a vehicle’s 17-character Vehicle Identification Number (VIN), revealing critical information about the automobile. For the 1991 Chevrolet Corvette, the WMI “1G1” signifies that the vehicle was manufactured by General Motors LLC in the United States, specifically in Warren, Michigan. This code indicates that the vehicle is a passenger car, which is useful for various purposes, including registration, insurance, and vehicle tracking. WMIs are part of a standardized system, enabling the consistent identification of vehicles worldwide.
List of WMI Codes for a 1991 Chevrolet Corvette
WMI: 1G1
- Model Years Covered: 1981-1982, 1984-2024
- Example VIN: 1G1YY3380M5101474
- Manufacturer Name: General Motors LLC
- Vehicle Type: Passenger Car
- City: Warren
- State or Province: Michigan
- Country: United States
Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 1991 Chevrolet Corvette 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 1991 Chevrolet Corvette:
| Known VDS for a 1991 Chevrolet Corvette | ||
|---|---|---|
| YY338 | YZ23J | YY238 |
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 1991 Chevrolet Corvette 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 1991 Chevrolet Corvette VIN — Year Code
| Year Code | Year |
|---|---|
| M | 1991 |
11th Character in the 1991 Chevrolet Corvette VIN — Plant Code(s)
Known 1991 Chevrolet Corvette Assembly Factory VIN Code(s)
| Plant Code | Plant City | Plant State | Plant Country | Plant Company Name | Example VIN |
|---|---|---|---|---|---|
| 5 | Bowling Green | Kentucky | United States | Bowling Green Assembly Plant | 1G1YY3380M5101474 |
VIN Characters 12 - 17 of a 1991 Chevrolet Corvette
The final 6 characters in a 1991 Chevrolet Corvette’s 17-digit VIN are its serial number, which will be unique to every vehicle.
Check your Chevrolet Corvette’s VIN below:
How to find a 1991 Chevrolet Corvette’s VIN?
Locating the VIN number on your 1991 Chevrolet Corvette is key for identification. Here’s how to find it:
- Examine the dashboard of your Chevrolet Corvette on the driver’s side near the windshield for the VIN, which is typically accessible from outside the vehicle.
- Look at the door pillar on the driver’s side when you open the door; the VIN can often be found on a label or plate where the door latches.
- Check under the hood of your Chevrolet Corvette; the VIN may be stamped onto the chassis or a firewall plate.
- Inspect the rear wheel well above the tire; sometimes, in the Chevrolet Corvette, the VIN is placed in this area.
- If your Corvette is a 1991 model, you might also find the VIN on the steering column viewable from underneath the dashboard.
- Examine your Chevrolet Corvette’s insurance card, vehicle title, or registration, as these documents also display the VIN.
What info can a 1991 Chevrolet Corvette VIN reveal?
- Model Year: The VIN may suggest that the vehicle’s model year is 1991, offering insights into the age and potential market value of the vehicle.
- Vehicle Specifications: The VIN report indicates that the vehicle is a Corvette ZR1 with features like a V-Shaped engine configuration, 5.7 L displacement, and engineering by CPC, possibly showcasing the vehicle’s performance characteristics.
- Body Class and Size: It is suggested that the vehicle is a Coupe with 2 doors, possibly offering specific details about the vehicle’s body style and structure.
- Engine and Performance: The VIN data reveals an engine with 8 cylinders and a displacement of 5700 CC, possibly suggesting a powerful performance capability.
- Fuel Type and Efficiency: Information decoded from the VIN includes the primary fuel type being Gasoline and the vehicle using Multipoint Fuel Injection (MPFI) for fuel delivery, possibly indicating efficiency and performance features.
- Manufacturing Details: The VIN data indicates that the car was assembled in the Bowling Green Assembly Plant located in Bowling Green, Kentucky, United States, highlighting its manufacturing origin.
- Safety Features: According to the VIN, the vehicle may be equipped with a driver seat only front airbag and manual seat belts, offering potential insights into the safety measures incorporated during manufacturing.
Don’t have your 1991 Chevrolet Corvette’s VIN handy? Try our license plate lookup instead!
Sample VIN Decode Report for a 1991 Chevrolet Corvette
| Vehicle Spec | Value |
|---|---|
| Body Class | Coupe |
| Displacement (CC) | 5700.0 |
| Displacement (CI) | 347.83534133997 |
| Displacement (L) | 5.7 |
| Doors | 2 |
| Engine Configuration | V-Shaped |
| Engine Manufacturer | CPC |
| Engine Number of Cylinders | 8 |
| Front Air Bag Locations | Driver Seat Only |
| Fuel Delivery / Fuel Injection Type | Multipoint Fuel Injection (MPFI) |
| Fuel Type - Primary | Gasoline |
| Gross Vehicle Weight Rating From | Class 1: 6,000 lb or less (2,722 kg or less) |
| Gross Vehicle Weight Rating To | Class 1: 6,000 lb or less (2,722 kg or less) |
| Model | Corvette |
| Model Year | 1991 |
| Plant City | Bowling Green |
| Plant Company Name | Bowling Green assembly plant |
| Plant Country | United States |
| Plant State | Kentucky |
| Seat Belt Type | Manual |
| Series | ZR1 |
| Vehicle Descriptor | 1G1YZ23J*M5 |
| Vehicle Type | Passenger Car |
| Sample_VIN | 1G1YZ23J0M5801196 |
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