What is the engine oil capacity for Audi a8 quattro 2009 model?

The engine oil capacity for a 2009 Audi A8 Quattro is approximately 8.5 quarts (or about 8 liters) when including the oil filter. It's important to check the owner’s manual or consult a professional for specific requirements, as variations may exist based on the engine type and any modifications. Always ensure to use the recommended oil type for optimal performance.