Free 2021 Audi A4 VIN Decoder

How to decode a 2021 Audi A4 VIN

Characters 1-3 of a 2021 Audi A4 VIN

The World Manufacturer Identifier (WMI) is a unique code used globally to recognize the manufacturer of any given vehicle. For the 2021 Audi A4, the WMI, “WAU,” signifies that the vehicle was made by Audi AG, placing its origin in Ingolstadt, Germany. This identifier, which forms the first three characters of the Vehicle Identification Number (VIN), confirms the vehicle as a passenger car. Through the WMI, one can also deduce essential information about the vehicle without needing to see it physically. It serves as a global standard for vehicle identification, aiding in everything from registration processes to vehicle tracking.

List of WMI Codes for a 2021 Audi A4

WMI: WAU

• Model Years Covered: 1996-2024
• Example VIN: WAUEAAF40MN000878
• 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 2021 Audi A4 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 2021 Audi A4:

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 2021 Audi A4 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 2021 Audi A4 VIN — Year Code

11th Character in the 2021 Audi A4 VIN — Plant Code(s)

Known 2021 Audi A4 Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 2021 Audi A4

The final 6 characters in a 2021 Audi A4’s 17-digit VIN are its serial number, which will be unique to every vehicle.

What info can a 2021 Audi A4 VIN reveal?

• Model Year: The VIN can provide the model year of the vehicle, possibly indicating the year 2021. This information can offer insights into the vehicle’s age and potential market value.
• Safety Features: VIN decoding may offer detailed insights into a vehicle’s safety equipment, such as potential inclusion of standard anti-lock braking system (ABS), forward collision warning (FCW), and airbag locations, potentially ensuring the driver and passengers are protected.
• Engine Specifications: The VIN may cover engine model, number of cylinders, and horsepower, possibly revealing details about a 45 TFSI (2.0T) engine model with 4 cylinders and an engine brake (hp) of 261, providing essential performance indicators.
• Fuel Type: Understanding the fuel type, such as gasoline, may be crucial for assessing fuel efficiency and environmental impact.
• Body Class and Drive Type: The VIN can potentially provide information regarding the vehicle’s body class, possibly indicating it as a Sedan/Saloon, and drive type, revealing it as AWD/All-Wheel Drive. These details can affect handling and performance in different driving conditions.
• Transmission Details: The VIN might help in determining the transmission style and speeds, potentially providing insight into the vehicle’s performance characteristics, such as a 7-speed automatic transmission.
• Manufacturing Information: The VIN could specify the place of manufacturing, including the plant city and country, potentially offering data on the vehicle’s origin, like being manufactured in Neckarsulm, Germany, which may influence buyer perception on quality and value.

Sample VIN Decode Report for a 2021 Audi A4

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