It's important to note that the specific octane rating required will vary depending on the engine you have:
* 2012 Avalon with the 3.5L V6 engine: Requires regular unleaded gasoline (87 octane).
* 2012 Avalon with the 2.5L 4-cylinder engine: Also requires regular unleaded gasoline (87 octane).
Always refer to your owner's manual for the most accurate and up-to-date information on fuel requirements for your specific vehicle.
