The fuel requirement for a Toyota Corolla generally involves regular unleaded gasoline with an octane rating of 87. This specification is often indicated on the fuel filler door or within the owner’s manual. Utilizing the correct fuel grade is essential for optimal engine performance and longevity.
Adhering to the manufacturer’s fuel recommendation ensures the engine operates as intended, maximizing fuel efficiency and minimizing the risk of engine knocking or damage. While some vehicles can tolerate higher octane fuels, using them in a Corolla designed for regular unleaded typically provides no discernible benefit and can be an unnecessary expense. The historical development of engine technology has led to specific fuel requirements to match engine design.