Exxon Mobil Synergy Supreme+ unleaded gasoline keeps your engine 2X cleaner for better gas mileage.

 

Our Synergy™ gasolines are engineered for:

  • best gas image

    Better gas mileage

    Helps improve your vehicle’s fuel economy by reducing engine deposits.§§

  • Lower emissions logo

    Lower emissions

    Helps remove deposits, which can lead to fewer emissions.§§

  • Protect your engine with better gas image

    Improved engine protection

    Helps protect intake valves and all types of injectors from deposits.§§

  • Unleaded Gas for Better Performance image

    Better performance

    Helps prevent harmful deposits to rev up your engine’s responsiveness.§§


The Best Gas for Your Vehicle

Exxon and Mobil Synergy™ gasoline

Quality you can depend on

When you fill up at an Exxon™ or Mobil™ station, you can be confident you’re getting TOP TIER® gasoline every time. Available in three octane levels, our Synergy gasoline has been engineered to help clean up intake valves and improve gas mileage and performance.§§

  • Fuel detergents 1, 2 and 3 – provide outstanding cleanliness in port fuel injection engines, and now in gasoline direct injection engines. Cleaner engine parts can lead to better gas mileage, engine protection and engine performance. Our newest detergent keeps your engine 2X cleaner for better gas mileage. ‡‡ (Benefit available only in Synergy Supreme+™ premium gasoline)
  • Friction modifier – new ingredient protects your engine by reducing wear and tear by 30%.‡‡ (Benefit available only in Synergy Supreme+ premium gasoline)
  • Anti-adhesion compound – helps prevent fuel detergents from forming a sticky film on the intake valves, which in turn helps prevent cold start problems at cold temperatures
  • Corrosion inhibitor – helps prevent rust in fuel distribution systems and/or key engine parts the fuel comes into contact with, such as the gas tank and the intake valves
  • Demulsifier – helps keep water from getting disbursed with our additive in the distribution system and helps prevent accumulation of water in your gas tank by allowing it to be separated and removed
  • Solvent fluid – enables the additive ingredients to stay mixed, flow and not freeze at very cold temperatures
  • Marker molecules – ensures we can determine if the correct amount of our unique additive is added to our gasoline
  • 2X points with ExxonMobil Rewards+ premium.

    Exxon Mobil Rewards+ Premium™ status§

    Get 2X points on Synergy Supreme+™ premium gas – plus special offers.

    Details and registration
  • bob oakman diesel fuel economy

    Synergy Diesel Efficient™ fuel

    It’s fully formulated to help keep diesel engines cleaner for better fuel economy.** Take it from Bob Oakman, legendary monster truck announcer. Available only at Exxon™ and Mobil™ stations.

    Learn more
  • ExxonMobil™ credit card

    The ExxonMobil™ Smart Card

    Earn on every gallon, every day

    Earn 30¢ off every gallon of Synergy™ gasoline for the first two months after account open date, then save 6¢ off every gallon when you apply and are approved for the ExxonMobil Smart Card by 2/1/2021 - 6/30/2021.

    Apply online

Based on comparison of 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.

§§Benefits are based on Synergy-branded gasoline compared to gasoline meeting minimum U.S. government standards. Actual benefits will vary based on factors such as vehicle type, driving style and gasoline previously used.

‡‡Based on Synergy Supreme+ gas compared to gasoline meeting minimum government standards. Wear reduction was measured by 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.

§Exxon Mobil Rewards+ Premium Status (“Premium Status”) is achieved by making three (3) “Qualifying Purchases” in a calendar month. A Qualifying Purchase is defined as a purchase of 8 gallons or more of Synergy Supreme+ fuel with the Exxon Mobil Rewards+ program. You must present and use your Exxon Mobil Rewards+ card loyalty identifier prior to making a Qualifying Purchase at participating locations. Exxon Mobil Rewards+ Premium Status Benefits (“Benefits”) begin after Premium Status is earned. You must complete three Qualifying Purchases each calendar month to maintain your Benefits. In the event that Premium Status is not maintained in the following month, you have a grace period of three consecutive months starting from the end of the month in which Premium Status was last earned before your Premium Status benefits expire. Benefits include earning double base points (for a total of 6 points per gallon) on all Synergy Supreme+ purchases after earning and while maintaining Premium Status. You will also be eligible for various Premium Status offers and experiences that are available to Exxon Mobil Rewards+ Premium Status members. To view full Exxon Mobil Rewards+ terms, please click here. Your Premium Status is non-transferrable and does not preclude you from using other Exxon Mobil Rewards+ offers, unless specified. The Exxon Mobil Rewards+ Program Terms and Conditions apply.

**Claims apply to Exxon and Mobil Synergy Diesel Efficient-branded fuel compared to diesel fuel without detergent additive. Actual benefits will vary depending on factors such as vehicle/engine type, driving style and diesel fuel previously used.

Subject to credit approval. Offer valid 2/1/2021 -6/30/2021. Valid on new accounts only opened through June 30, 2021. You will receive 30¢ bonus discount when qualifying fuel purchase are made within the first two months after the account opening date. After first two months, 6¢ per gallon offer applies. The price you pay will be reduced at the point of sale by six ($.06) center per gallon. Fuel purchases made at the pump, the price per gallon will be made at the pump after you swipe your credit card, except where prohibited by law, and or in-store fuel purchases the discount will be applied prior to the completion of your purchases. Bonus discount will be paid as a statement credit applied monthly to your billing statement on your qualifying fuel purchase. May take 1-2 billing cycles for statement credit to appear with a qualifying fuel purchase. Offer valid at participating Exxon or Mobil stations. Account must be open and in good standing at all times to earn the rebate. In the event discounts at the point of sale are unavailable for any reason, you will receive the earned discounts as a statement credit. In that case you will not see the 6¢/gallon reduction in the price per gallon at the pump or prior to the completion of an in-store purchase. Qualifying in-store purchases exclude fuel, lottery tickets and gift cards. See the ExxonMobil Smart Card Program Terms and Conditions for more details. The ExxonMobil Smart Card is issued by Citibank, N.A.

© 2021 ExxonMobil. All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries.

Download of the Exxon Mobil Rewards+™ app is required. Terms and Conditions of the ExxonMobil Smart Card Rebate Program apply.

© 2019 ExxonMobil. All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries.