SAE 10w30 in temperatures above 0 degrees Fahrenheit. Below 0 use SAE 5w30. You can use conventional or synthetic. Just buy any major brand as they are all quality products. Just as important is to purchase a quality oil filter such as Purolator, Wix, Bosch, AC/Delco, Motorcraft, STP, etc. Avoid Fram filters or generic store brands.
5W30
The 2005 Toyota RAV4 has an inline 4 engine.
The 2006 Toyota RAV4 has an inline 4 engine.
The 2002 Toyota RAV4 has an inline 4 engine.
The 2010 Toyota RAV4 has an inline 4 engine.
The 2008 Toyota RAV4 has an inline 4 engine.
The 2011 Toyota RAV4 has an inline 4 engine.
The 2014 Toyota RAV4 has an inline 4 engine.
The 2001 Toyota RAV4 has an inline 4 engine.
The 2012 Toyota RAV4 has an inline 4 engine.
The 2007 Toyota RAV4 has an inline 4 engine.
The 2003 Toyota RAV4 has an inline 4 engine.