Red Line MT-90 75W-90 GL-4 Gear Oil vs AutoMatic Smooth Operator ATF vs Royal Purple Synchromax
Compact mode

Red Line MT-90 75W-90 GL-4 Gear Oil vs AutoMatic Smooth Operator ATF vs Royal Purple Synchromax

Technical Specifications Comparison

Usage Comparison

Facts Comparison

  • Interesting Fact 💡

    An intriguing or lesser-known fact about the transmission fluid
    Red Line MT-90 75W-90 GL-4 Gear Oil
    • Popular among Miata enthusiasts
    AutoMatic Smooth Operator ATF
    • Contains special friction modifiers for smoother shifts
    Royal Purple Synchromax
    • Contains synthetic solvents for better additive solubility
  • Sarcastic Fact 😉

    A humorous or ironic observation about the transmission fluid
    Red Line MT-90 75W-90 GL-4 Gear Oil
    • Because your gearbox deserves a spa day
    AutoMatic Smooth Operator ATF
    • Like butter for your transmission (but please don't actually use butter)
    Royal Purple Synchromax
    • Purple reign for your transmission

Pricing Comparison

Compatibility Comparison

General Information Comparison

Manufacturing Comparison

  • Made In 🌍

    Country of origin or manufacturing location for the transmission fluid
    Red Line MT-90 75W-90 GL-4 Gear Oil
    • United States
      Red Line MT-90 75W-90 GL-4 Gear Oil is made in United States. Transmission fluids manufactured in the United States, known for quality and innovation.
    AutoMatic Smooth Operator ATF
    • South Korea
      AutoMatic Smooth Operator ATF is made in South Korea. Transmission fluids manufactured in South Korea, known for quality and innovation.
    Royal Purple Synchromax
    • United States
      Royal Purple Synchromax is made in United States. Transmission fluids manufactured in the United States, known for quality and innovation.

Performance Comparison

  • Pros 👍

    Advantages and positive aspects of the transmission fluid
    Red Line MT-90 75W-90 GL-4 Gear Oil
    • Excellent Synchronizer Compatibility
      Fluids that work well with transmission synchronizers, enhancing smooth gear changes
    • Reduces Gear Noise
    AutoMatic Smooth Operator ATF
    • Excellent Low-Temperature Fluidity
    • Superior Oxidation Resistance
    • Smooth Shifting
      Transmission fluids that enhance gear shifting smoothness, improving driving comfort and transmission efficiency.
    • Wear Protection
    • Wide Compatibility
    Royal Purple Synchromax
    • Reduces Shift Effort
    • Extends Transmission Life
  • Cons 👎

    Disadvantages or limitations of the transmission fluid
    Red Line MT-90 75W-90 GL-4 Gear Oil
    • Higher Price Point
    AutoMatic Smooth Operator ATF
    • Slightly Higher Price Than Conventional ATF
    • May Not Be Necessary For All Vehicles
    • Not For High-Performance Applications
    • Average Cold-Start Performance
    Royal Purple Synchromax
    • May Not Be Necessary For All Vehicles

Ratings Comparison

Alternatives to Red Line MT-90 75W-90 GL-4 Gear Oil
FlexDrive Universal ATF
Known for Versatility
🔐 is more compatible than AutoMatic Smooth Operator ATF
SmoothDrive LongLife ATF
Known for Longevity
is longer-lasting than AutoMatic Smooth Operator ATF
💰 is more durable than AutoMatic Smooth Operator ATF
is better overall than AutoMatic Smooth Operator ATF
🏆 performs better than AutoMatic Smooth Operator ATF
TurboShift Ultra ATF
Known for Smooth Shifts
🏆 performs better than AutoMatic Smooth Operator ATF
AMSOIL Signature Series Fuel-Efficient ATF
Known for Fuel Efficiency
is longer-lasting than AutoMatic Smooth Operator ATF
💰 is more durable than AutoMatic Smooth Operator ATF
🏆 performs better than AutoMatic Smooth Operator ATF
Valvoline MaxLife Multi-Vehicle ATF
Known for Multi-Vehicle Compatibility
🔐 is more compatible than AutoMatic Smooth Operator ATF
Redline D6 ATF
Known for Shift Quality
💰 is more durable than AutoMatic Smooth Operator ATF
🏆 performs better than AutoMatic Smooth Operator ATF
Motorcraft Mercon LV ATF
Known for Ford Vehicle Specialization
🔐 is more compatible than AutoMatic Smooth Operator ATF
💰 is more durable than AutoMatic Smooth Operator ATF