Synergy Supreme+ premium fuel — our best fuel your engine and theirs

As an official sponsor and fuel supplier of the Porsche Carrera Cup North America race series, Synergy Supreme+ premium fuel helps keep your engine 3X cleaner for better gas mileage.^‡ This is the main event of one-make championship races in North America. And with eight races to run this year, Synergy Supreme+ premium gas is more than ready to go the distance!

*For select Exxon Mobil Rewards+ members only. Earn 3x the points (18 points per gallon) when you make a loyalty purchase of Synergy Supreme+™ premium gas (eight-gallon min. and maximum 300 earned points per transaction) between 12:00:00 a.m. CT, 04/28/25, and 11:59:00 p.m. CT, 05/04/25; 12:00:00 a.m. CT, 06/09/2025, and 11:59:00 p.m. CT, 06/22/25; 12:00:00 a.m. CT, 07/28/2025, and 11:59:00 p.m. CT, 08/03/25; 12:00:00 a.m. CT, 09/15/2025, and 11:59:00 p.m. CT, 09/21/25; and 12:00:00 a.m. CT, 10/06/2025, and 11:59:00 p.m. CT, 10/19/25. For new Exxon Mobil Rewards+ members, registration can be completed through the Exxon Mobil Rewards+ app or through the website: https://www.exxon.com/en/rewards-program. Offer eligibility requires at least one purchase of Synergy Supreme+ premium gas before the offer period. Offer can be earned multiple times throughout offer period. Bonus points will automatically be applied to account. Terms and Conditions apply.

^‡ Engine keep-clean benefits based on Synergy Supreme+ gas compared to Synergy regular gas in port fuel injected engines. 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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