What kind of oil is used in the factory for the Passat?
2 Answers
Passat's original factory oil is Castrol. According to official recommendations, it is advisable to use SN grade or higher 5W-40 or 0W-40 engine oil. The following are specific details: 1. In engine oil 5W40, "5" indicates the low-temperature fluidity of the oil. The smaller the number, the lower the ambient temperature it can be used in, and the better the protection for the engine during cold starts. 2. For example, "5" represents resistance to external low temperatures of -30°C; "W" stands for Winter applicability; "40" indicates that the kinematic viscosity standard at 100 degrees Celsius is 40. This number represents the oil's high-temperature resistance, with a higher value indicating better protection performance of the oil at high temperatures.
When I picked up my new Passat, I specifically asked the 4S shop technician. The factory-fill oil is 5W-30 grade with VW 50400 certification marked by a blue label on the packaging. This full synthetic oil has excellent high-temperature fluidity, making it particularly suitable for China 6 models equipped with particulate filters. I remember they used the same oil during the first service. The technician said low-SAPS formulations are better for turbocharged engines to reduce carbon buildup. If buying alternatives yourself, make sure they meet both 50400 certification and ACEA C3 standards, otherwise it might affect DPF lifespan.
