How to decode a 2003 Audi A6 VIN

Characters 1-3 of a 2003 Audi A6 VIN

A World Manufacturer Identifier (WMI) is a unique code assigned to every vehicle manufacturer, pinpointing key information about where and by whom a vehicle was made. For example, the WMI for the 2003 Audi A6 reveals it was produced by Audi AG, a renowned German automobile manufacturer known for creating luxury vehicles. The specific WMI indicates that this vehicle was manufactured in Ingolstadt, Germany, classifying the car within the passenger vehicle category. This coding system is an integral part of a vehicle’s identification number (VIN), providing essential details at a glance. Thus, the WMI serves as the first set of characters in a VIN, offering instant insight into a vehicle’s origin and manufacturer.

List of WMI Codes for a 2003 Audi A6

WMI: WAU

Model Years Covered: 1995-2024
Example VIN: WAULT64B03N018120
Manufacturer Name: Audi AG
Vehicle Type: Passenger Car
City: Ingolstadt
State or Province:
Country: Germany

Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 2003 Audi A6 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 Audi A6:

Known VDS for a 2003 Audi A6
LT64B	LD64B	VT64B	LT54B	ML54B	LD54B	ML64B	JT64B

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 Audi A6 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 Audi A6 VIN — Year Code

Year Code	Year
3	2003

11th Character in the 2003 Audi A6 VIN — Plant Code(s)

Known 2003 Audi A6 Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
N	Neckarsulm		Germany		WAULT64B03N018120

VIN Characters 12 - 17 of a 2003 Audi A6

The final 6 characters in a 2003 Audi A6’s 17-digit VIN are its serial number, which will be unique to every vehicle.

Check your Audi A6’s VIN below:

How to find a 2003 Audi A6’s VIN?

Locating the VIN number on your 2003 Audi A6 is key for identification. Here’s how to find it:

Look at the dashboard on the driver’s side of your Audi A6, near where the dashboard meets the windshield. The VIN should be visible from outside the vehicle.
Open the driver’s side door and inspect the door jamb. The VIN can often be found on a sticker or plate where the door latches when closed.
Check under the hood of your Audi A6. The VIN might be on a plaque or sticker located on the front engine block.
Examine the rear wheel well. Sometimes the VIN is placed above the tire on the wheel arch.
Inspect the trunk area of your Audi A6. The VIN might be underneath the spare tire or on the trunk’s side walls.
Review your Audi A6’s vehicle registration documents, insurance papers, or the owner’s manual, which typically list the VIN for reference.

What info can a 2003 Audi A6 VIN reveal?

Model Year: The VIN can reveal the vehicle’s model year, possibly indicating the year 2003, providing insights into the age and potential market value of the vehicle.
Engine Specifications: It may outline details such as the engine being manufactured by Audi, possibly having a displacement of 2976 CC or 2.976 L, and operating with 220 horsepower derived from a 6-cylinder engine.
Safety Features: The VIN could possibly disclose safety features, including curtain airbags present in both the 1st and 2nd rows, front airbags for the driver and passenger in the 1st row, and side airbags also located in the 1st row.
Fuel Type: This information can possibly include the primary fuel type the vehicle uses, possibly gasoline in this instance.
Model and Series: Information encoded within the VIN can possibly reveal the model of the vehicle, such as the A6 quattro, indicating both the model and series.
Manufacturing Details: The VIN may possibly reveal where the vehicle was manufactured, possibly highlighting the plant city as Neckarsulm and the country as Germany.
Body Class and Door Count: It can possibly indicate the body class as a Sedan/Saloon and specify the number of doors, in this case, possibly 4 doors.

Don’t have your 2003 Audi A6’s VIN handy? Try our license plate lookup instead!

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Sample VIN Decode Report for a 2003 Audi A6

Vehicle Spec	Value
Body Class	Sedan/Saloon
Curtain Air Bag Locations	1st and 2nd Rows
Displacement (CC)	2976
Displacement (CI)	181.606662425
Displacement (L)	2.976000
Doors	4
Engine Brake (hp) From	220
Engine Manufacturer	Audi
Engine Number of Cylinders	6
Front Air Bag Locations	1st Row (Driver and Passenger)
Fuel Type - Primary	Gasoline
Model	A6
Model Year	2003
Other Engine Info	50-St/Can. ULEV emission std. Emissions Certification Test Group: 3ADXV03.0344.
Other Restraint System Info	Active Seat Belt.
Plant City	Neckarsulm
Plant Company Name
Plant Country	Germany
Seat Belt Type	Manual
Series	quattro
Side Air Bag Locations	1st Row (Driver and Passenger)
Vehicle Descriptor	WAULT64B*3N
Vehicle Type	Passenger Car
Sample_VIN	WAULT64B03N018120