Octane ratings
About octane ratings
The octane ratings of Synergy™ gasoline
- Synergy™ Regular Gasoline – Octane 87
- Synergy™ Extra Gasoline – Octane 89
- Synergy SUPREME+™ Gasoline – Octane 91-93
The right octane level for your vehicle
Have a question about octane ratings?
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Synergy™ gasoline
Learn about our Synergy gasoline, powered by 7 key ingredients and engineered to help improve fuel economy.‡
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‡Engine keep-clean benefits based on Synergy Supreme+ gas compared to Synergy regular gas in port fuel injected engines. Deposit removal, fuel economy and wear benefits based on comparison of Synergy Supreme+ premium gas to gasoline that meets minimum government standards. Wear reduction was measured based on an industry standard lubricant test. Actual benefits are based on continuous use and may vary depending on vehicle type, driving style, and gasoline previously used. Concentration and availability of our proprietary additive package may vary based on factors beyond our control.
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