Free VIN decode

2009 Audi A4

VIN WAULF78K99N037023

Factory specifications

As filed with the US National Highway Traffic Safety Administration for this exact VIN.

Identity

Model Year
2009
Make
AUDI
Model
A4
Trim
quattro Premium, quattro Premium Plus
Body Class
Sedan/Saloon
Doors
4
Vehicle Type
PASSENGER CAR

Engine

Displacement (L)
2.0
Cylinders
4
Horsepower
211.00
Fuel Type
Gasoline

Drivetrain

Drive Type
AWD/All-Wheel Drive

Manufacturing

Manufacturer
AUDI AG
Plant City
NECKARSULM
Plant Country
GERMANY

Safety Equipment

Front Airbags
1st Row (Driver and Passenger)
Side Airbags
1st Row (Driver and Passenger)
Curtain Airbags
1st and 2nd Rows
Seat Belts
Manual
Tire Pressure Monitoring
Direct

How this VIN is built

Each position of the number carries a meaning. Hover or tap a group to see what it encodes.

WAU
WMI
LF78K
Descriptor
9
Check
9
Year
N
Plant
037023
Serial

Positions 1 to 3 identify the manufacturer, 4-8 describe the vehicle, 9 is the check digit, 10 is the model year, 11 is the assembly plant, and 12-17 are the serial number.

Specifications from NHTSA vPIC, refreshed September 26, 2026. The recall count comes from NHTSA by model year, make and model, not from this specific VIN, and does not say whether a recall repair was completed.