Free 2018 Audi A4 VIN Decoder

Explore the elegance and power of your sleek Audi A4! Ensure your luxurious ride maintains its peak performance with our detailed vehicle history reports. Our decoder is absolutely free—simply enter your VIN in the box below and drive with confidence, supported by thorough and reliable information.

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How to decode a 2018 Audi A4 VIN

Characters 1-3 of a 2018 Audi A4 VIN

A World Manufacturer Identifier (WMI) forms the first three characters of a Vehicle Identification Number (VIN), providing key information about the vehicle’s manufacturer, vehicle type, and the country of manufacture. In the case of a 2018 Audi A4, the WMI signifies that this passenger car was manufactured by Audi AG, a renowned automobile maker based in Ingolstadt, Germany. These initial characters are crucial for identifying the vehicle’s origin and are generally specific to the brand and location of the manufacturing facility. For example, the WMI for a 2018 Audi A4 indicates that the vehicle was assembled in Germany, underlining Audi’s heritage and engineering standards synonymous with that country. This system of identification aids in global recognition and regulation of vehicles, providing a standardized method for tracking and recalling vehicles when necessary.

List of WMI Codes for a 2018 Audi A4

WMI: WAU

  • Model Years Covered: 1996-2024
  • Example VIN: WAUDNAF40JN000178
  • 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 2018 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 2018 Audi A4:

Known VDS for a 2018 Audi A4
DNAF4FNBF4ENBF4CNAF4LMBF4KMAF4BNAF4PNAF4MMAF4GMAF4
LMAF4NNAF4ANAF4MMBF4ENAF4RNBF4RNAF4FNAF4PNBF4KMBF4
DNBF4

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 2018 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 2018 Audi A4 VIN — Year Code

Year Code Year
J 2018

11th Character in the 2018 Audi A4 VIN — Plant Code(s)

Known 2018 Audi A4 Assembly Factory VIN Code(s)

Plant Code Plant City Plant State Plant Country Plant Company Name Example VIN
A Ingolstadt Germany WAUFNBF40JA165119
N Neckarsulm Germany WAUDNAF40JN000178

VIN Characters 12 - 17 of a 2018 Audi A4

The final 6 characters in a 2018 Audi A4’s 17-digit VIN are its serial number, which will be unique to every vehicle.

Check your Audi A4’s VIN below:

How to find a 2018 Audi A4’s VIN?

Locating the VIN number on your 2018 Audi A4 is key for identification. Here’s how to find it:

  1. Look at the dashboard on the driver’s side of your Audi A4. The VIN can typically be seen through the windshield on a metal or plastic plate.
  2. Open the driver’s side door and examine the door jamb area for a sticker or plate on the Audi A4. The VIN is usually located where the door latches.
  3. Check the trunk area of your Audi A4. Sometimes the VIN can be found on the floor of the trunk under the carpet or on the side walls.
  4. Examine the engine block of your Audi A4, as the VIN can often be found stamped onto the engine itself.
  5. Review your Audi A4’s vehicle registration documents, title, or insurance papers, which will have the VIN listed.
  6. Look in the user manual or service maintenance book for your Audi A4, as it often includes the vehicle VIN.
VIN Decoder

What info can a 2018 Audi A4 VIN reveal?

  • Model Year: The VIN can reveal the vehicle’s model year to be 2018, providing insights into the age and potential market value of the vehicle.
  • Make: The VIN identifies the manufacturer as Audi, showcasing the vehicle’s origin and brand reliability.
  • Engine Specifications: The VIN unveils details of a 2.0L displacement, 252 horsepower in-line 4-cylinder engine provided by Audi, offering insights into the vehicle’s power and performance capabilities.
  • Safety Features: Various safety features such as Adaptive Cruise Control (ACC), Blind Spot Warning (BSW), and curtain airbags covering all rows are indicated, suggesting the VIN can provide comprehensive safety profile information.
  • Fuel Type and Emissions Info: The VIN conveys that the primary fuel type is gasoline, complemented by emissions certification details, illustrating the VIN’s ability to convey vital environmental performance data.
  • Advanced Technology Features: The VIN denotes standard offerings of lane keeping assistance (LKA), backup camera, and keyless ignition among others, showcasing the high-end technological integrations within the vehicle.
  • Body Class and Doors: The VIN specifies the body class as a Sedan/Saloon, with a 4-door configuration and seating for five, showcasing the VIN’s capacity to reveal vehicle design and capacity specifics.
  • Manufacturing Origin: The VIN provides the plant city of Ingolstadt, Germany, reflecting the geographical origin of the vehicle and hinting at the build quality and engineering standards, an essential aspect for potential international buyers or enthusiasts of specific manufacturers.
VIN Decoder

Don’t have your 2018 Audi A4’s VIN handy? Try our license plate lookup instead!

Sample VIN Decode Report for a 2018 Audi A4

Vehicle Spec Value
Active Safety System Note Audi Pre Sense Front with Turn Assist: Optional; Audi Pre Sense Front with Collision Avoidance Assist: Optional; Audi Pre Sense Basic; Audi Pre Sense City; Hill Start Assist
Adaptive Cruise Control (ACC) Standard
Adaptive Driving Beam (ADB) Standard
Anti-lock Braking System (ABS) Standard
Auto-Reverse System for Windows and Sunroofs Standard
Axles 2
Backup Camera Standard
Base Price ($) 45500.00
Blind Spot Warning (BSW) Standard
Body Class Sedan/Saloon
Crash Imminent Braking (CIB) Standard
Curtain Air Bag Locations All Rows
Daytime Running Light (DRL) Standard
Displacement (CC) 2000
Displacement (CI) 122.0474881894
Displacement (L) 2
Doors 4
Dynamic Brake Support (DBS) Standard
Electronic Stability Control (ESC) Standard
Engine Brake (hp) From 252
Engine Configuration In-Line
Engine Manufacturer Audi
Engine Number of Cylinders 4
Forward Collision Warning (FCW) Standard
Front Air Bag Locations 1st Row (Driver and Passenger)
Fuel Type - Primary Gasoline
Keyless Ignition Standard
Knee Air Bag Locations 1st Row (Driver and Passenger)
Lane Departure Warning (LDW) Standard
Lane Keeping Assistance (LKA) Standard
Model A4
Model Year 2018
Number of Seat Rows 2
Number of Seats 5
Number of Wheels 4
Other Engine Info Fuel: Gas (50-St); Emissions Certification Test Group:JVGAV02.0A7C(AUTO.); Federal/California Emission Standard: Bin 70 /LEV III ULEV 70(AUTO.) Emissions Certification Test Group: JVGAV02.0AAC (MAN.); Federal/California Emission Standard: Bin125 /LEV III ULEV 125(MAN.)
Other Restraint System Info Advanced Front Airbags
Parking Assist Standard
Plant City Ingolstadt
Plant Company Name
Plant Country Germany
Seat Belt Type Manual
Semiautomatic Headlamp Beam Switching Standard
Series A4 quattro Prestige
Series2 quattro Technik S-Line (Canada)
Side Air Bag Locations 1st and 2nd Rows
Steering Location Left-Hand Drive (LHD)
Tire Pressure Monitoring System (TPMS) Type Indirect
Top Speed (MPH) 130
Traction Control Standard
Transmission Style Automatic
Vehicle Descriptor WAUFNBF4*JA
Vehicle Type Passenger Car
Wheel Base (inches) From 110.00
Wheel Size Front (inches) 18
Wheel Size Rear (inches) 18
Sample_VIN WAUFNBF40JA165119

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