Free 2003 Buick Regal VIN Decoder

How to decode a 2003 Buick Regal VIN

Characters 1-3 of a 2003 Buick Regal VIN

World Manufacturer Identifiers (WMIs) are unique codes assigned to every vehicle manufacturer. These codes are the first three digits of a vehicle’s VIN (Vehicle Identification Number) and provide specific information regarding the manufacturer and vehicle type. For the 2003 Buick Regal, the WMI is “2G4,” indicating it was produced by General Motors LLC in the United States, specifically in Warren, Michigan. This code is instrumental in identifying the vehicle as a passenger car manufactured by GM under the Buick brand. The WMI, as part of the VIN, serves as a global standard for identifying motor vehicles.

List of WMI Codes for a 2003 Buick Regal

WMI: 2G4

• Model Years Covered: 1988-2004, 2011-2017
• Example VIN: 2G4WF551031280417
• 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 2003 Buick Regal 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 2003 Buick Regal:

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 2003 Buick Regal 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 2003 Buick Regal VIN — Year Code

11th Character in the 2003 Buick Regal VIN — Plant Code(s)

Known 2003 Buick Regal Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 2003 Buick Regal

The final 6 characters in a 2003 Buick Regal’s 17-digit VIN are its serial number, which will be unique to every vehicle.

What info can a 2003 Buick Regal VIN reveal?

• Model Year and Manufacturing Details: The VIN can reveal the vehicles model year being the year 2003, showcasing the vehicle’s production origin and time frame, possibly providing insights into the age and potential market value of the vehicle.
• Vehicle Specifications: The dataset provides detailed specifications of a Buick Regal LS, including a V-shaped engine configuration with a 3.8L displacement and six cylinders, possibly highlighting the engine’s size and power.
• Body Class and Capacity: Information reveals the vehicle as a Sedan/Saloon with four doors, possibly specifying the body type and general capacity for passengers.
• Engine and Fuel System: Features an engine made by GMPTG Flint, model L36, possibly equipped with Sequential Fuel Injection (SFI) for fuel delivery, reflecting advanced fuel management technology for its time.
• Safety Features: It specifies safety equipment, including front airbags for both the driver and passenger in the 1st row, and a side airbag located at the driver’s seat, possibly offering insights into the vehicle’s occupant protection systems.
• Additional Engine Information: The engine bears the nameplate Chevrolet, Pontiac, Buick, indicating it was utilized across multiple General Motors brands, showcasing its versatility and wide application.
• Seat Belts and Valve Train Design: The type of seat belt is manual, and it features an Overhead Valve (OHV) design, which are critical components for vehicle safety and engine performance.

Sample VIN Decode Report for a 2003 Buick Regal

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