What engine oil for 2000 outback Subaru?

For a 2000 Subaru Outback, it's recommended to use 5W-30 motor oil, which is suitable for most driving conditions. If you live in a colder climate, you might consider 0W-30 for better performance in low temperatures. Always check the owner’s manual for specific recommendations and consider using oils that meet API (American Petroleum Institute) certification standards.