Audi and Porsche are part of the Volkswagen Group, and as such, share many of the same engine oil specifications. Here are some of the most common engine oil specifications used by these brands:
VW 502 00 / 505 00: These specifications are for petrol engines and require oils that meet certain performance requirements, including high-temperature performance, wear protection, and fuel economy. VW 502 00 is for older petrol engines, while VW 505 00 is for newer engines.
VW 504.00 / 507 00: This specification is for diesel engines and requires oils that have a low SAPS (sulfated ash, phosphorus, and sulfur) content, improved fuel economy, and extended oil change intervals. This specification is used in newer diesel engines with particulate filters.
Audi/VW/Porsche A40: This specification is for both petrol and diesel engines and requires oils that meet strict performance requirements, including high-temperature performance, wear protection, and fuel economy. This specification is typically used in high-performance engines.
Porsche C30: This specification is for petrol and diesel engines and requires oils that have a low SAPS content, improved fuel economy, and extended oil change intervals. This specification is typically used in Porsche vehicles and requires oils with a viscosity grade of 0W-30.
Audi/VW 508 00 / 509 00: Porsche C20 These specifications are for newer petrol and diesel engines with particulate filters and require oils with a low SAPS content, improved fuel economy, and extended oil change intervals.
Audi/Porsche Oil specifications