Home » Automotive » The 3 Best Full Synthetic Transmission Fluids of 2022 – Unbiased Reviews and Buying Guide

The 3 Best Full Synthetic Transmission Fluids of 2022 – Unbiased Reviews and Buying Guide

After working hard to procure your highly admired and desired car, that will be a very satisfying and praiseworthy achievement. After that, you must maintain the car properly and in good condition.

The engine and gear box among other parts of the system use the best full synthetic transmission fluid to run themThis fluid is specially designed to make facilitate the smooth running of your engine and steering system.


Categorically, it reduces friction and minimizes corrosion. Therefore, there is minimized wear and tear, hence longevity of car life. You will not start your journey and have the car break down on the road.

When you buy transmission fluid synthetic, you will marvel at its heightened performance. The fluid is versatile because it is used in diverse ways in the car. To top it all, it lasts for quite long, hence economical. You will not have to keep on changing it from time to time.

Top Full Synthetic Transmission Fluid – Comparison Table

There are diverse transmission fluids in the market, and your wits can be taxed when choosing one for your car. This table has fully analysed their fine details for you:

RankProduct NameBrandWeight
1Ford Genuine Fluid XT-M5-QS Full Synthetic Manual Transmission Fluid.Ford1.85 pounds
2Multi-Vehicle Full Synthetic Automatic Transmission Fluid by ValvolineValvoline23.2 pounds
3ACDelco Original Equipment Dexron VI Full Synthetic Automatic Transmission FluidACDelco4.8 ounces

Best Full Synthetic Transmission Fluid in 2022

1. Ford Genuine XT-M5-QS Full Synthetic Manual Transmission Fluid

Quality is the most outstanding and exceptionally fascinating thing about this transmission fluid. Whoa! You will not help marveling at its immaculate performance, and the unparalleled care it gives to your car’s system.


It is a premium quality manual transmission fluid which also serves as gear oil. Specifically, it has an SAE value of 75W-90. Surprisingly, it is perfectly compatible with Ford cars, and highly recommended by the Ford Motor Company.

The fluid also meets the warranty requirements which guarantee that it is of high quality. Some of the vehicles that it is highly recommended for include 1995-2011 MTX-75, not to mention IB5 transmission.

Fortunately, it is also compatible with older transmissions. Some of them encompass rear wheel drive which requires GL-3 and GL-4. It comes with owner guide recommendations.

The best synthetic transmission fluid integrates performance additives and synthetic base oils. This is especially great and fabulous for facilitating gear shifting without any distraction from ambient temperatures.

Owing to the fluid’s excellent oxidative, thermal, and shear stability, it satisfactorily meets all the requirements of Ford’s fill-for-life. Obviously, you don’t want to miss the full synthetic manual fluid’s wear protection. 

More Features and Benefits

This fluid increases the longevity of the bearings and synchronizers due its indisputable protection. Moreover, it is a great lubricant which significantly reduces friction, and subsides the operating temperatures.

Finally, it improves efficiency and component life. It weighs 1.85 lbs. and the container’s dimensions are 10.5 x 4.6 x 2.4 inches. 


  • Its performance is impressive
  • It is a lubricant and offers extensive protection
  • Lengthens the synchronizers’ and bearings’ lifespans
  • It reduces operation temperatures


  • Its price hikes when exported overseas

2. Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid by Valvoline

When you go for this full synthetic automatic transmission fluid, it will be a thriller whose performance will give you absolute satisfaction. It has been designed with absolute care and professionalism.


Specifically, this transmission fluid synthetic is a formulation which integrates advanced additives. Consequently, the additives curb the main causes of transmission breakdown. Furthermore, the transmission life is also expanded.

Some of the reasons why the fluid is manufactured is to maximize transmission performance. It prevents leaks, and reduces wear and tear. To top it all, it also perfects the smooth shifting of gears.

With this fluid, you will be sure of smooth shifting, compared to other kinds of fluids. Fortunately, you can use the full synthetic automatic transmission fluid on a wide range of ATF apps.

It is compatible with car brands such as Toyota, Ford, Honda, Mercon LV, GM, Dex/Merc, etc. In addition, the fluid is greatly designed to meet the challenges of manual transmissions. They incorporate full-synthetic base stocks.

Moreover, they integrate seal conditioners whose performance is high. Consequently, they preserve elasticity that makes them great at preventing leaks. Therefore, they are good at high mileage transmissions.

The manufacturer has fortified this automatic transmission fluid with anti-wear technology to reduce friction. This is ideal in ensuring that your car’s engine and gear box remain in good condition for long. To top it all, the transmission also becomes durable.

More Features and Benefits

This full synthetic transmission fluid also integrates advanced additives and base oils. This makes it nice for better oil flow at low temperatures, not to mention greater film protection at higher temperatures.

The fluid comes in containers of 23.1 lbs. and their dimensions are 14.5 x 9.1 x 11.4 inches. 


  • It offers good protection to your car’s system
  • Its performance is amazing
  • Made with anti-wear technology
  • Makes automatic transmission smooth


  • Not available everywhere

3. ACDelco Full Synthetic Automatic Transmission Fluid 10-9243 Professional Dexron VI

This transmission fluid synthetic is one of the best in the market which is perfectly good for your car. The manufacturer has the whole welfare of your car in it because it makes the engine run smoothly without friction and wearing out.


ACDelco is the latest fluid to be released by ACDelco DEXRON-VI. Its performance is good and reliable, and it gives your engine smooth shift performance. Regardless of the condition, the fluid performance remains stable.


It is durable because it degrades less over time, and it is recommended by General Motors. Its performance is good. Specifically, its oxidation resistance, friction durability, foam control, viscosity stability, foam control, and aeration.

In addition, it is not compatible with cars that have Dual Clutch Transmission, and Continuously Variable Transmission because they require specialized fluids. It is economical because lasts for longer.

More Features and Benefits

It comes in containers that weigh 4.8 lbs. and the dimensions are 9 x 4.5 x 2 inches. Precisely, this oil is great and you will be amazed by the benefits that it gives your car.


  • It is of high quality
  • Has oxidation resistance
  • Has viscosity stability
  • Has friction durability


  • Not good for some cars

Buyers Guide

When buying this fluid, there are things that you need to consider. They include the following:


You should be observant to establish the performance of the fluid. It should be topnotch in performance without causing any faults. It should also take good care of the car’s engine and gear box in every way. 


The fluid should be durable. It should not get used within a short time. 


The fluid should be the best in protecting all parts of the engine, and the gear box and everywhere else it is applied. The bearings, friction, etc. should be protected from wearing out. This fluid also serves as a lubricant.

Frequently Asked Questions

There are diverse questions that you could be having regarding this fluid like:

Q: Are these fluids versatile?

A: Yes. They are used in diverse ways because they are multipurpose.

Q: Are they compatible with all cars? 

A: They are compatible with a wide range of cars apart from the ones that use special kind of fluid.

Final Thoughts

In a nutshell, these are best full synthetic transmission fluids that are exceptionally made to facilitate the running of your car. Their performance, qualities, and everything else is good and commendable.

Furthermore, they have value for your money, not to mention that they take good care of your car.

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