* Year and Model: The engine oil requirements vary significantly depending on the specific year, model, and engine type of your Audi A4 1.8.
* Engine Type: There were multiple 1.8-liter engines used in the A4 over the years, each with different specifications.
* Maintenance Schedule: Your owner's manual contains the most accurate and up-to-date information about the recommended engine oil type and viscosity for your specific Audi A4 1.8.
How to find the correct engine oil:
1. Consult your Owner's Manual: This is the primary source of information for your vehicle.
2. Check your Audi Service Booklet: Your service booklet may also have oil specifications.
3. Contact an Audi Dealer: A local Audi dealership can provide specific recommendations based on your vehicle's VIN (Vehicle Identification Number).
4. Use a Reputable Online Resource: Websites like the Audi website or a trusted automotive website can help you find the right oil for your model.
Remember: Using the wrong engine oil can lead to engine damage, decreased performance, and reduced fuel economy. It's crucial to use the type and viscosity recommended by the manufacturer.