Do older cars need higher octane gas?
Unless you hear your car’s, engine knocking, there is no need to put a higher-octane gas in your tank. This is a common belief, probably based on the commercials selling gasoline. But if you look in your owner’s manual, you’ll find that the recommended gas for most vehicles is economy and standard, low octane.
Should old cars use premium gas?
A higher-octane gas, such as premium, helps prevent engine knock. In older cars that require premium, The Drive reported fueling with 87 octane would almost immediately cause the engine to start knocking. But newer model cars are better equipped to handle it.
What kind of Octane does a Toyota engine use?
Gasoline ratings have been determined on the basis of octane; 87 octane is regular, 89 octane is mid-grade and 91 or higher octane is premium. The octane ratings are not an indication of performance, but instead, indicate the fuel’s resistance to pre-ignition. The engine of your Toyota operates with a mixture of air and fuel.
What should the octane rating be on a Toyota Tacoma?
Select octane rating 87 (Research Octane Number 91) or higher. Use of unleaded gasoline with an octane rating lower than 87 may result in engine knocking. Persistent knocking can lead to engine damage. At minimum, the gasoline you use should meet the specifications of ASTM D4814 in the U.S.A. and CGSB3.5-M93 in Canada.
What’s the octane rating on a Toyota Land Cruiser?
Select octane rating 87 (Research Octane Number 91) or higher. Use of unleaded gasoline with an octane rating lower than 87 may result in engine knocking. Persistent knocking can lead to engine damage.
What is the octane rating of regular gasoline?
Gasoline ratings have been determined on the basis of octane; 87 octane is regular, 89 octane is mid-grade and 91 or higher octane is premium. The octane ratings are not an indication of performance, but instead, indicate the fuel’s resistance to pre-ignition.