Synergy forecourt

Synergy™ Fuels

  • Synergy Supreme+ (98)

    Synergy Supreme+ (98)

    Our best fuel ever1 – Triple cleans and protects your engine to help give you more miles per tank.

    • 3X cleaner engine for better mileage2
    • Superior fuel economy
    • Maximises engine performance3
    • Maximum engine protection3
    • Reduces wear, friction, and corrosion
    • Removes 50% of harmful engine deposits4

  • Synergy Supreme (95)

    Synergy Supreme (95)

    Our premium grade fuel enriched with more of the advanced cleaning additives for greater benefits5.

    • Cleans up engine
    • Improved fuel economy 
    • Enhances engine performance 
    • Superior engine protection
    • Reduces friction and corrosion

  • Mobil Extra Unleaded (91)

    Mobil Extra Unleaded (91)

    Our standard petrol contains advanced cleaning additives for improved fuel economy.

    • Keeps engine clean
    • Enhances engine responsiveness
    • Protects engine against friction and corrosion

  • Mobil Diesel Efficient

    Mobil Diesel Efficient

    Mobil Diesel Efficient contains powerful additives that provide excellent cleaning performance, which in turn gives your engine the ability to go further on every tank.

    • Advanced fuel economy
    • Excellent corrosion protection
    • Superior fuel injector cleaning power
    • Reduced emissions

*Our new Synergy petrol and diesel offer greater detergency and better deposit clean-up better than previous versions of Synergy fuels. Other fuel benefit claims are based on comparison to ordinary unadditised fuel.

Actual benefits may vary depending on various factors including, without limitation, engine type, driving style, and fuel previously used. At selected sites only.

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

Learn more about the benefits of SynergyTM Fuels

  • Animated blue molecules creating a petrol nozzle

    Helps make every fill last longer

    Cleaner engines can help you save fuel and save time filling up.*

  • Animated blue molecules creating 2 cogs

    Cleaner engines run smoother and perform better

    Helps optimise engine performance for a smoother running engine.*

  • Animated blue molecules creating a shield

    Engine protection for peace of mind

    Knowing your engine is well protected means you can get on with your day.

Synergy FAQs

Formulated with 3 active detergents, Mobil Supreme+ 98 with higher additive treat rate keeps your engine 3x cleaner compared to Mobil Extra Unleaded fuel in port fuel injection engines. This may contribute to improved fuel economy; however, actual fuel economy improvements will vary depending on factors such as vehicle type, driving style, and prior fuel use.
The fuel detergents are designed to provide cleanliness in port fuel injection engines and in direct injection engines. Cleaner engine parts can lead to better fuel mileage, engine protection and engine performance. Actual results may vary depending on factors such as vehicle type and prior fuel use.
Mobil Supreme+ 98 is formulated with friction modifier and corrosion inhibitor. These are designed to contribute to the fuel’s overall performance by reducing friction and preventing rust in fuel distribution systems or engine parts it comes into contact with. Actual results may vary depending on factors such as vehicle type and prior fuel use.
Mobil Supreme+ 98 is formulated with fuel detergents that are designed to help remove engine deposits which are then combusted. Actual benefits may vary depending on vehicle type, driving style, and fuel previously used.
The detergents in Mobil Supreme+ 98 are designed to help clean up intake valves in port fuel injection engines, and fuel injectors in direct injection engines. Actual results may vary depending on factors such as vehicle type, driving style, and prior fuel use.
Unless otherwise specified, all claims are compared to unadditised fuel.
1 Claims are based on comparison with Mobil fuels with previous generation additive technology within the same grade.
2 Claims are compared to Mobil Extra Unleaded fuel in port fuel injection engines.
3 Claims are compared to Mobil Supreme and Mobil Extra Unleaded fuel.
4 Based on industry standard engine tests in port fuel injection and gasoline direct injection engines.
5 Claim is compared to Mobil Extra Unleaded fuel.
Actual benefits may vary depending on various factors including, without limitation, engine type, driving style, and fuel previously used.
All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries.
  • Mobil Smiles Drivers Rewards

    Mobil Smiles Driver Rewards

    Learn about Mobil Smiles