Synergy Fuels

Fuel types  

Gasoline and diesel for all types of vehicles

Wherever you are going, count on high quality Exxon and Mobil SynergyTM fuels to get you there. Learn more about our SynergyTM fuels and see which one is appropriate for your vehicle. .
  • Gasoline, Exxon and Mobil Synergy gasoline is Top Tier

    Go with Exxon and Mobil SynergyTM gasoline – it’s TOP TIER®

    Exxon and Mobil SynergyTM gasoline contains significantly higher quantities of detergents than required by the Environmental Protection Agency (EPA) and has passed key performance tests resulting in it being certified TOP TIER. TOP TIER fuel is recommended by many automakers in their vehicles’ owner manuals.

  • Diesel fuel, get good ignition quality with Synergy

    Get good ignition quality with SynergyTM diesel fuel

    Our Exxon and Mobil SynergyTM diesel is blended to provide good ignition quality and is held to high quality standards for our customers.

    Learn more >

  • Ethanol and Exxon and Mobil fuel

    Gasoline blended with ethanol

    Almost all gasoline now has some ethanol in it, including Exxon- and Mobil- branded gasoline which currently contains up to 10%.

    Learn more >

  • Octane ratings of gasoline and what level is right for your car

    Octane ratings of gasoline

    Find out what octane ratings measure and what octane level is right for your vehicle.
    Learn more >

Have a question about our fuel types?

View our FAQs
  • developing quality gas that’s best for your car

    Quality fuels to get you where you're going

    Discover what steps we take to ensure the quality of our fuels.

    Learn more
  • Tips to help you improve fuel efficiency

    Get more out of every trip

    Explore our comprehensive list of tips to help you improve fuel efficiency and get more out of every trip.

    Learn more
  • New Synergy gasoline

    Exxon and Mobil SynergyTM gasoline

    Learn more about our Synergy™ gasoline, engineered with 7 key ingredients to help you get better gas mileage.**

    Learn more
  • About Synergy Gasoline for better gas mileage

    TOP TIER SynergyTM gasoline

    Get the facts about Exxon and Mobil SynergyTM branded gasoline, including what makes it TOP TIER® and what grades we offer.

    Learn more
*Applies to Exxon- and Mobil-branded gasoline compared to gasoline meeting minimum U.S. government standards. Actual benefits vary depending on factors such as vehicle type, driving style and gasoline previously used.

**Fuel economy improvement is 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. Exxon, Mobil and Synergy are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries.
Loading