What type of oil for a s80?

For a Volvo S80, it's recommended to use synthetic motor oil, typically with a viscosity of 5W-30 or 0W-30, depending on the engine type and climate conditions. Always refer to the owner's manual for specific oil specifications and recommendations for your particular model year. Using high-quality oil meeting the appropriate API and ACEA standards is crucial for optimal engine performance and longevity.