- Characters 1-3 of a 2021 Audi S4 VIN
- List of WMI Codes for a 2021 Audi S4
- Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 2021 Audi S4 VIN
- Character 9 is the "check digit" in a 2021 Audi S4 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
- How to find a 2021 Audi S4's VIN?
- What info can a 2021 Audi S4 VIN reveal?
- Sample VIN Decode Report for a 2021 Audi S4
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:
Known VDS for a 2021 Audi S4 | |||||
---|---|---|---|---|---|
A4BF4 | C4AF4 | B4BF4 | C4BF4 | A4AF4 | B4AF4 |
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
Year Code | Year |
---|---|
M | 2021 |
11th Character in the 2021 Audi S4 VIN — Plant Code(s)
Known 2021 Audi S4 Assembly Factory VIN Code(s)
Plant Code | Plant City | Plant State | Plant Country | Plant Company Name | Example VIN |
---|---|---|---|---|---|
A | Ingolstadt | Germany | WAUA4BF41MA056721 |
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:
How to find a 2021 Audi S4’s VIN?
Locating the VIN number on your 2021 Audi S4 is key for identification. Here’s how to find it:
- Look at the dashboard on the driver’s side of your Audi S4. You should be able to see the VIN through the windshield.
- Open the driver’s side door and inspect the door jamb area for a sticker or plate that may contain the VIN of your Audi S4.
- Check the engine bay. There might be a VIN plate located on the firewall of your 2021 Audi S4.
- Take a look at your vehicle registration documents or insurance card, as the VIN for your Audi S4 should be printed there.
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.
Don’t have your 2021 Audi S4’s VIN handy? Try our license plate lookup instead!
Sample VIN Decode Report for a 2021 Audi S4
Vehicle Spec | Value |
---|---|
Anti-lock Braking System (ABS) | Standard |
Auto-Reverse System for Windows and Sunroofs | Standard |
Automatic Crash Notification (ACN) / Advanced Automatic Crash Notification (AACN) | Standard |
Axles | 2 |
Backup Camera | Standard |
Base Price ($) | 49900 |
Blind Spot Warning (BSW) | Optional |
Body Class | Sedan/Saloon |
Crash Imminent Braking (CIB) | Standard |
Curtain Air Bag Locations | 1st Row (Driver and Passenger) |
Daytime Running Light (DRL) | Standard |
Displacement (CC) | 3000.0 |
Displacement (CI) | 183.07123228419 |
Displacement (L) | 3.0 |
Doors | 4 |
Drive Type | AWD/All-Wheel Drive |
Dynamic Brake Support (DBS) | Standard |
Electronic Stability Control (ESC) | Standard |
Engine Brake (hp) From | 349 |
Engine Number of Cylinders | 6 |
Front Air Bag Locations | 1st Row (Driver and Passenger) |
Fuel Type - Primary | Gasoline |
Headlamp Light Source | LED |
Keyless Ignition | Standard |
Knee Air Bag Locations | 1st Row (Driver and Passenger) |
Lane Departure Warning (LDW) | Standard |
Model | S4 |
Model Year | 2021 |
Number of Seat Rows | 2 |
Number of Seats | 5 |
Number of Wheels | 4 |
Other Engine Info | Test Group: MVGAJ03.0N7F / Emission Std: Tier 3 BIN 70 LEV3 ULEV70 |
Pedestrian Automatic Emergency Braking (PAEB) | Standard |
Plant City | Ingolstadt |
Plant Company Name | |
Plant Country | Germany |
Rear Cross Traffic Alert | Optional |
Seat Belt Type | Manual |
Semiautomatic Headlamp Beam Switching | Standard |
Series | quattro Premium |
Side Air Bag Locations | 1st Row (Driver and Passenger) |
Steering Location | Left-Hand Drive (LHD) |
Tire Pressure Monitoring System (TPMS) Type | Indirect |
Traction Control | Standard |
Transmission Speeds | 8 |
Transmission Style | Automatic |
Vehicle Descriptor | WAUA4AF4*MA |
Vehicle Type | Passenger Car |
Wheel Base (inches) From | 111.0 |
Wheel Size Front (inches) | 18 |
Wheel Size Rear (inches) | 18 |
Sample_VIN | WAUA4AF40MA031657 |
Decode other S4 Years
Get a 2021 Audi S4 History Report
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