* 1.8T (1.8 liter turbocharged inline-4): This was the base engine, producing around 170 horsepower.
* 3.0L V6 (3.0 liter naturally aspirated V6): This was a more powerful option, offering around 220 horsepower.
* 1.9 TDI (1.9 liter turbodiesel inline-4): This engine was available in Europe and offered good fuel economy and torque.
To determine the exact engine size of your 2004 Audi A4, you can:
1. Check the vehicle identification number (VIN): The VIN contains information about the specific engine installed.
2. Look at the engine compartment: The engine size is often stamped on a tag located on the engine block.
3. Consult your owner's manual: The manual should list the engine size and specifications for your specific model.
Let me know if you have the VIN or other details about your 2004 A4, and I can help you find the exact engine size.