* Engine Condition: The type of oil your car needs depends on its current condition. An engine that's been properly maintained might require different oil than one that's experiencing wear and tear.
* Driving Habits: How you drive (city vs. highway, frequent stop-and-go traffic) can influence the type of oil you should use.
* Location and Climate: Extreme temperatures (very hot or very cold) can affect the viscosity of the oil needed.
* Oil Specifications: Your car's owner's manual is the most reliable source of information regarding recommended oil types and viscosities.
To find the best oil for your 1997 Audi A4 1.8T, I recommend:
1. Consult Your Owner's Manual: It will have detailed information about oil types, viscosities, and other specifications that are right for your vehicle.
2. Check with a Qualified Mechanic: A trusted mechanic who is familiar with Audi vehicles can advise you on the appropriate oil based on your specific car's condition and your driving habits.
3. Look for Approved Oils: Some oil manufacturers have specific formulations that are certified for Audi engines. Check the packaging or manufacturer's website for details.
Important Note: Using the wrong type of oil can damage your engine. It's crucial to follow the recommendations in your owner's manual or get expert advice from a mechanic.