2009 Toyota Camry Owners Manual - Page 357

6-1. Specifications Fuel information You must only use unleaded gasoline in your vehicle. Unleaded gasoline with an Octane Rating of 87 (Research Octane Number 91) or higher is required for optimum engine performance. At minimum, the gasoline you use should meet the specifications of ASTM D4814 in the U.S.A. and CGSB3.5-M93 in Canada.