How to decode a 2002 Buick Regal VIN

Characters 1-3 of a 2002 Buick Regal VIN

A World Manufacturer Identifier (WMI) is a unique code assigned to every vehicle manufacturer to identify the country, manufacturer, and type of vehicle. For the 2002 Buick Regal, the WMI is 2G4, indicating that the vehicle was manufactured by General Motors LLC in the United States, specifically in Warren, Michigan. This code specifies that the vehicle in question is a passenger car, embodying the first characters of the Vehicle Identification Number (VIN). WMIs are essential for accurately identifying vehicles and are used worldwide to ensure consistency and precise identification in vehicle registration, recall implementations, and more. The 2002 Buick Regal’s WMI underscores General Motors’ longstanding presence in the automotive industry and highlights its manufacturing capabilities in the United States.

List of WMI Codes for a 2002 Buick Regal

WMI: 2G4

Model Years Covered: 1988-2004, 2011-2017
Example VIN: 2G4WF551021180591
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 2002 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 2002 Buick Regal:

Known VDS for a 2002 Buick Regal
WF551	WB52K	WB55K

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 2002 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 2002 Buick Regal VIN — Year Code

Year Code	Year
2	2002

11th Character in the 2002 Buick Regal VIN — Plant Code(s)

Known 2002 Buick Regal Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
1	Oshawa #2	Ontario	Canada		2G4WF551021180591
2	Ste. Therese	Quebec	Canada	Na-Gm Corp	2G4WF551122116909

VIN Characters 12 - 17 of a 2002 Buick Regal

The final 6 characters in a 2002 Buick Regal’s 17-digit VIN are its serial number, which will be unique to every vehicle.

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How to find a 2002 Buick Regal’s VIN?

Locating the VIN number on your 2002 Buick Regal is key for identification. Here’s how to find it:

Examine the lower corner of the dashboard on the driver’s side of your Buick Regal. The VIN can usually be seen through the windshield.
Look at the door jamb on the driver’s side of your 2002 Buick Regal. The VIN might be located on a sticker where the door latches.
Check under the hood of your Buick Regal; the VIN may be found on a plaque or sticker on the engine bay’s firewall.
Inspect the trunk area of your 2002 Buick Regal; the Vehicle Identification Number can sometimes be found in the spare tire well or on the trunk lid.
For the 2002 Buick Regal, the VIN is sometimes stamped on the frame or chassis of the vehicle, which can be seen when looking beneath the car.

What info can a 2002 Buick Regal VIN reveal?

Model Year: The VIN can reveal the vehicles model year being the year 2002, providing insights into the age and potential market value of the vehicle.
Engine Specifications: The VIN provides detailed engine specifics for the Buick Regal, including a 3.8 L V-Shaped engine configuration with a displacement of 3800.0 CC and six cylinders, manufactured by GMPTG Flint.
Fuel Efficiency and Delivery System: The information from the VIN indicates that the Buick Regal uses Sequential Fuel Injection (SFI) for fuel delivery, suggesting a more efficient fuel management system compared to older carburetor vehicles.
Safety Features: The VIN highlights the presence of front airbags for both driver and passenger in the first row, and a side airbag for the driver’s seat, emphasizing the vehicle’s safety features.
Body Class and Design: The VIN identifies the Buick Regal as a Sedan/Saloon body class with four doors, catering to those seeking a family car or a vehicle with more interior space.
Plant Information: Plant location details from the VIN include Oshawa #2 in Canada, Ontario, offering insights into the vehicle’s origin and potentially affecting its value and appeal.
Additional Engine Details: Other engine information from the VIN indicates the engine model L36 and features an Overhead Valve (OHV) valve train design, providing clues about the vehicle’s performance characteristics and engineering.

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Sample VIN Decode Report for a 2002 Buick Regal

Vehicle Spec	Value
Body Class	Sedan/Saloon
Displacement (CC)	3800.0
Displacement (CI)	231.89022755998
Displacement (L)	3.8
Doors	4
Engine Configuration	V-Shaped
Engine Manufacturer	GMPTG Flint
Engine Model	L36
Engine Number of Cylinders	6
Front Air Bag Locations	1st Row (Driver and Passenger)
Fuel Delivery / Fuel Injection Type	Sequential Fuel Injection (SFI)
Model	Regal
Model Year	2002
Other Engine Info	Name Plate: Chevrolet, Pontiac, Buick
Plant City	Oshawa #2
Plant Company Name
Plant Country	Canada
Plant State	Ontario
Seat Belt Type	Manual
Series	LS
Side Air Bag Locations	Driver Seat Only
Valve Train Design	Overhead Valve (OHV)
Vehicle Descriptor	2G4WB55K*21
Vehicle Type	Passenger Car
Windows	4
Sample_VIN	2G4WB55K021110285