What type of oil does the Audi A3 use?

[LaGabriel]

Audi A3 uses 5W-40 engine oil. Factors for selecting oil viscosity: 1. Based on vehicle series: For Japanese, Korean, and American vehicles, the general oil viscosity choice is 30-grade (0W-30/5W-30, etc.). German vehicles recommend 40-grade oil (0W-40/5W-40, etc.). 2. Based on load size: If the vehicle operates under high load and low RPM conditions, lubricants with higher viscosity are generally selected. For equipment with light load and high RPM, lubricants with lower viscosity are usually chosen. 3. Based on engine wear condition: Depending on the vehicle's wear condition, older vehicles with over 100,000 kilometers generally need to adjust oil viscosity compared to new cars. Due to increased component gaps caused by wear, higher viscosity oil is required to form a good protective oil film. If the engine has undergone major repairs, it is also necessary to increase the viscosity of the lubricant used.