Red Line D4 ATF vs Royal Purple Max ATF vs Royal Purple Synchromax

Technical Specifications Comparison

• Fluid Type 💧

  The specific category of transmission fluid designed for different transmission systems.

  Red Line D4 ATF

  • ATF

    Red Line D4 ATF is a ATF type transmission fluid. ATF is designed for use in automatic transmissions  Click to see all.

  Royal Purple Max ATF

  • ATF

    Royal Purple Max ATF is a ATF type transmission fluid. ATF is designed for use in automatic transmissions  Click to see all.

  Royal Purple Synchromax

  • MTF

    Royal Purple Synchromax is a MTF type transmission fluid. MTF is specifically designed for use in manual transmissions  Click to see all.

• Viscosity Grade 🌡

  The SAE viscosity grade of the transmission fluid, indicating its flow characteristics.

  Red Line D4 ATF

  • SAE 5W-30

    The viscosity grade of Red Line D4 ATF is SAE 5W-30. Low-viscosity multi-grade fluid for improved fuel efficiency and cold-weather performance.

  Royal Purple Max ATF

  • SAE 10W-30

    The viscosity grade of Royal Purple Max ATF is SAE 10W-30. Multi-grade fluid for moderate climates, balancing cold-start and high-temp performance.

  Royal Purple Synchromax

  • SAE 75W-90

    The viscosity grade of Royal Purple Synchromax is SAE 75W-90. Versatile gear oil for manual transmissions and differentials, offering wide-range temperature performance.

• Fluid Specification 📖

  Technical standard or approval that the transmission fluid meets, ensuring compatibility with specific vehicle models and transmission systems.

  Red Line D4 ATF

  • Dexron-HP

    Red Line D4 ATF meets the Dexron-HP fluid specification. "Dexron-HP is a high-performance automatic transmission fluid specification, offering improved protection and efficiency."  Click to see all.
  • Mercon V

    Red Line D4 ATF meets the Mercon V fluid specification. Ford-approved transmission fluid meeting Mercon V specifications for various Ford vehicles  Click to see all.

  Royal Purple Max ATF

  • Dexron-HP

    Royal Purple Max ATF meets the Dexron-HP fluid specification. "Dexron-HP is a high-performance automatic transmission fluid specification, offering improved protection and efficiency."  Click to see all.
  • Mercon V

    Royal Purple Max ATF meets the Mercon V fluid specification. Ford-approved transmission fluid meeting Mercon V specifications for various Ford vehicles  Click to see all.

  Royal Purple Synchromax

  • API GL-4

    Royal Purple Synchromax meets the API GL-4 fluid specification. Fluids meeting API GL-4 standard for manual transmissions and transaxles.  Click to see all.

• Performance Level 🏆

  Indicates the transmission fluid's level of performance and suitability for different driving conditions.

  For all*

  • High Performance

    Transmission fluids designed for high-performance vehicles and demanding conditions.

• Temperature Range 🌡

  The range of temperatures in which the transmission fluid maintains its effectiveness.

  Red Line D4 ATF

  • High Temperature

    Red Line D4 ATF is effective in the High Temperature temperature range. Transmission fluids that maintain stability and performance in high-heat environments, protecting against thermal breakdown.

  Royal Purple Max ATF

  • Extended Temperature

    Royal Purple Max ATF is effective in the Extended Temperature temperature range. Transmission fluids that perform well in a wide range of temperatures, from very cold to very hot conditions.

  Royal Purple Synchromax

  • Extended Temperature

    Royal Purple Synchromax is effective in the Extended Temperature temperature range. Transmission fluids that perform well in a wide range of temperatures, from very cold to very hot conditions.