Free 2021 Audi S4 VIN Decoder

How to decode a 2021 Audi S4 VIN

Characters 1-3 of a 2021 Audi S4 VIN

A World Manufacturer Identifier (WMI) is the first three characters of a Vehicle Identification Number (VIN), uniquely identifying the manufacturer of the vehicle. For example, the 2021 Audi S4, a high-performance variant of the Audi A4 sedan, has a WMI of “WAU,” indicative of an Audi vehicle produced by Audi AG. This prefix not only confirms the vehicle’s manufacturer as Audi AG but also indicates that the vehicle was manufactured in Ingolstadt, Germany. This part of the VIN is critical for vehicle identification, tracking, and verification purposes, revealing important information about the vehicle’s origins. Specifically, for the 2021 Audi S4, the WMI indicates it falls within a series of models produced from 2018 to 2024, affirming its recent manufacture.

List of WMI Codes for a 2021 Audi S4

WMI: WAU

• Model Years Covered: 1992-1993, 2000-2002, 2005-2008, 2010-2016, 2018-2024
• Example VIN: WAUA4BF41MA056721
• 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 S4 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 S4:

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 S4 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 S4 VIN — Year Code

11th Character in the 2021 Audi S4 VIN — Plant Code(s)

Known 2021 Audi S4 Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 2021 Audi S4

The final 6 characters in a 2021 Audi S4’s 17-digit VIN are its serial number, which will be unique to every vehicle.

Check your Audi S4’s VIN below:

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What info can a 2021 Audi S4 VIN reveal?

• Model Year: The VIN can reveal the vehicle’s model year as 2021, providing insights into the age and potential market value of the vehicle.
• Manufacturing Location: The VIN indicates that the vehicle was manufactured in Ingolstadt, Germany, adding to its provenance and potential quality.
• Body Class and Doors: The VIN specifies the body class as a “Sedan/Saloon” with an “AWD/All-Wheel Drive” system, offering detailed insights into the vehicle’s design and structure.
• Engine Type and Performance: It uncovers that the vehicle is powered by a “3.0” L engine with “349” horsepower, highlighting its performance capabilities and fuel efficiency.
• Fuel Type: The VIN reveals that the vehicle features a “Gasoline” fuel type, providing essential information for potential owners or buyers.
• Safety Technologies: It may reveal the presence of standard safety features like “Anti-lock Braking System (ABS)” and advanced driving aids such as “Lane Departure Warning (LDW)”, enhancing the understanding of the vehicle’s safety capabilities.
• Airbag Locations: Insights into passenger protection specifics, highlighting the inclusion of “Curtain Air Bags,” “Knee Air Bags,” and “Side Air Bags” in various rows, offering valuable knowledge on the vehicle’s safety features.
• Lighting and Visibility Features: Details about the “LED” headlamp light source and the presence of “Daytime Running Light (DRL)” can be ascertained, providing insights into advanced illumination and visibility technologies.
• Transmission: Information about the “Automatic” transmission with “8” speeds can be derived, impacting the vehicle’s performance and driving experience.
• Pricing: The VIN may provide the base price of the vehicle, offering transparency for potential buyers.

Sample VIN Decode Report for a 2021 Audi S4

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