Should I Use Premium Gas or Stick to 87 Octane? UNVERIFIED
Understanding whether premium gas is necessary for your vehicle's performance.
There's no confirmed answer to this yet. Below is what is and isn't known — we'd rather be honest than invent a number or a spec. This becomes a full guide the moment we can confirm it; for now, your owner's manual is the authority on your specific car.
Understanding Octane Ratings
Octane rating measures a fuel's resistance to knocking, not its quality or energy content. In the U.S., regular gasoline typically has an octane rating of 87, while premium can range from 91 to 93. If your vehicle's owner's manual specifies 87 octane, using premium will not provide additional power or fuel efficiency.
When Premium is Beneficial
Premium fuel is beneficial for engines designed to require it, such as high-compression or turbocharged engines. These engines can take advantage of the higher octane to improve performance and efficiency. If your manual states that premium is required, using a lower octane could lead to engine knocking and potential damage.
What to Do If Your Engine Recommends Premium
If your vehicle recommends premium but does not require it, you can choose to use regular gasoline. However, you may experience a slight decrease in performance or fuel economy. It's essential to consult your owner's manual to understand your specific vehicle's needs.
Conclusion
Ultimately, if your car is designed for regular fuel (87 octane), stick with it. If it requires premium, then using premium is necessary for optimal performance. Always refer to your owner's manual for the best guidance on fuel selection.
EPA/DOE FuelEconomy.gov data retrieved 2026-07-24.