A Direct-Shift Gear (DSG) requires oil to keep the engine running smoothly for a longer period.
DSG is a specific type of automatic gearbox featuring two clutches that shift gears in a hundredth of a second, much faster than an average automatic transmission. So, when it comes to this gearbox, you need a specific transmission fluid with requirements like viscosity and others.
But choosing the right one for your vehicle can be a daunting task with the market flooded with so many good options.
So, here I’m, Stacy Smith, with the reviews of the best DSG transmission fluid you can get your hands on. Aside from that, I've curated an extensive buyer's guide in which I've explained all of the factors that will assist you with your purchase.
So without further ado, let’s jump in!
Top 5 DSG Transmission Fluids
1. TRIAX DSG / DCT ATF
One of my top recommendations is a synthetic oil developed by TRIAX Lubricants LLC, a company trusted by millions of customers across the country. This one is compatible with most latest engines and is specially formulated to enhance the transmission performance of an engine.
Product Highlights
The TRIAX DSG / DCT ATF has an amazingly high lifespan compared to most of its competitors, with a coverage of 300,000 miles or more. It’s formulated to provide exceptional gear grip to your car and minimizes the grinding problem. And its impressive shifting quality and zero slippage help improve your driving experience.
Another reason to select this product is its ability to protect your vehicle from any potential damage under extremely high or low temperatures. Its unmatched ability to deliver exceptional performance under any conditions is what I loved about this.
Then, there is the fact that Triax synthetic oil minimizes deposit formation in the engine, which reduces the overall sound levels. And its formulations match all Dual-clutch OEM requirements, making it suitable for any luxury or sports car.
What's There To Like About It?
The first thing that I liked about this synthetic oil is how well it lubricates the engine and minimizes friction between its critical parts. My husband uses this oil in his Audi A4, and it's been almost three years since he has changed it. And I can’t remember him spending on costly repairs.
Moreover, when my husband and I visited the Sonoran Desert in his car last year, to my surprise, the oil performed exceptionally well in the high temperatures.
What's There Not To Like About It?
While I haven’t encountered many issues with this engine oil, I noticed that it burns fuel faster and might cost you some extra bucks, considering the increasing fuel cost these days. However, it occurs primarily when driving in hot weather and is almost insignificant in normal conditions.
Pros and Cons of TRIAX DSG / DCT ATF
Pros
Cons
- Superior Formulation: Full synthetic, PAO / Ester based formulation with extensive testing and performance data - far exceeding OEM performance requirements
- Wide Compatibility: Compatible with a wide range of Dual Clutch Transmissions (DCT), including those manufactured by ZF, Mercedes Benz, Ford XT-11-QDC, VW / Audi DSG and DSG-2 G060162A2 (DSG Transmissions), Ford, Subaru, Bugatti, Ferrari, BMW, and many others
- Exceptional Longevity: Lasts over 300,000 miles and is thus classified as a “fill-for-life” product in properly sealed transmissions unless the OEM specifies otherwise
2. Motul Multi Dual Clutch Transmission Fluid
Next, I have the Motul multi dual-clutch transmission fluid that’s formulated to use in several DSG transmissions. With regards to the performance, protection, and versatility on offer, this oil is a quality option for your vehicle.
Product Highlights
With techno synthesis, this oil delivers high dual-clutch transmission performance, particularly in engines manufactured by GETRAG, ZF, or BORG WARNER and used by major car manufacturers. Although it can be used in various transmission lines, it is specially designed for Audi, Seat, VW, BMW, Ford, Skoda, and Renault.
Furthermore, this might be one of the best choices for eliminating friction between several car parts. It forms a lubricating layer around the critical engine parts, minimizes damage, and eliminates slippage.
I loved its capability to deliver a long-lasting transmission and enabling alteration in transmission ratio between the drive wheel and motor as your vehicle accelerates or decelerates. And the fluid has a massive lifespan of at least 200,000 miles, which is pretty decent.
What’s more, the Motul transmission fluid offers improved ease of shifting, making it a desirable product for consumers.
What's There To Like About It?
Apart from its longevity and high performance, I found this fluid to function smoothly even at low temperatures. After two failed attempts to replace the transmission fluid of my car, I got my hands on this Motul fluid, and I’m not disappointed a bit. Motul has been an excellent and most reliable brand for me through the years, and I recommend others to use it in their cars.
Shifting the gear back and forth felt like a walk in the park with this fluid, which enhanced my driving experience.
What's There Not To Like About It?
While I have no complaints about Motul transmission fluid in terms of performance, it missed the top spot to TRIAX DSG / DCT ATF due to some minor gripes. Compared to the former, it can’t deliver exceptional performance at high temperatures and cannot prevent deposition as effectively.
Pros and Cons of Motul Multi Dual Clutch Transmission Fluid
Pros
Cons
- DESIGNED FOR DUAL CLUTCH TRANSMISSIONS (DCT/DSG): Engineered for modern dual clutch gearboxes, including DSG and other DCT systems requiring specialized transmission fluid.
- SMOOTH & FAST SHIFT PERFORMANCE: Optimized friction properties deliver quick, precise gear changes while reducing shudder and hesitation.
- ADVANCED WEAR & HEAT PROTECTION: Technosynthese formula protects gears, clutches, and internal components from wear, heat, and oxidation.
3. Castrol Transmax DEX/MERC
No list of good motor oils is complete without mentioning Castrol. Since its inception, this British manufacturer has been one of the market leaders, offering a diverse range of impressive products such as this full synthetic motor oil.
Product Highlights
The Castrol automatic transmission fluid is one of the best options on the market, as it delivers superb engine protection and performance, especially under extremely high temperatures. It doesn’t allow deposits to form and prevents the engine from severe damages.
Additionally, it helps make smoother gear shifts, which enhances my overall driving experience. As a result, my car doesn’t make any noise, and there’s a significant reduction in grinding problems.
The smooth transmission performance is also obtained from its enhanced friction durability. It minimizes the collision between critical engine parts while driving and keeps the engine in top condition for a long time.
Not only that, but it also meets the Dexron-IIIH, IIE, I, and MECRON requirements and can be used in power steering applications.
What's There To Like About It?
I was searching for a transmission fluid that enhances the overall transmission performance from a reliable name. And the Castrol automatic transmission fluid was a viable choice for my car. Not only does it deliver quality performance in the toughest of conditions, but it also enhances my overall driving experience.
On top of that, it keeps the engine parts lubricated, thereby minimizing friction between them to keep the engine like new for a long time.
What's There Not To Like About It?
Although the product delivers several benefits, it costs more than most of the other fluids on my list. It can be an issue for some car owners, as it might exceed their budget. That’s why I have ranked it below the Motul multi dual-clutch transmission fluid, as it offers similar features at a much less price.
Pros and Cons of Castrol Transmax DEX/MERC
Pros
Cons
- Enhanced friction durability for smooth transmission performance
- Superior high temperature protection to effectively resist oxidation
- Unsurpassed protection against copper corrosion
4. Genuine Chrysler ATF+4 Automatic Transmission Fluid
Moving on to my next product, I have a Genuine Chrysler automatic transmission fluid. This genuine OEM Chrysler fluid is specially developed to deliver exceptional and long-lasting performance for Chrysler vehicles.
Product Highlights
The Genuine Chrysler transmission fluid extends the overall life of the engine and can boost the overall performance of most vehicles out there. It enhances the overall shift quality of your car, which might seem like a small change at first, but leads to a significantly better driving experience. And it offers a better fuel economy, which means you’re saving on overall fuel consumption.
Besides, the container has a high-quality seal that prevents the fluid from seeping out of it and is designed for effortless installation. This fluid has a significantly longer life, and you don’t need to change it very frequently.
That’s not all, it delivers excellent friction stability along with zero slippage. So you can expect your engine to perform well for more extended periods.
What's There To Like About It?
Being a genuine OEM Chrysler fluid, it’s the right match for my brother’s Chrysler car and has enhanced its performance by leaps and bounds.
He doesn’t complain anymore about the difficulty in shifting and feels more enthusiastic about going on long drives. Its better fuel economy has also saved him a couple of extra dollars on fuel. Overall, its effective performance, better protection, and fuel economy make it a viable choice for all those Chrysler car owners out there.
What's There Not To Like About It?
Despite having these benefits, this transmission fluid consumes more fuel and can contribute to the overall engine noise. These drawbacks have pushed it down the list below Castrol Transmax DEX/MERC, which substantially reduces the noise in the engine.
Pros and Cons of Genuine Chrysler ATF+4 Automatic Transmission Fluid
Pros
Cons
- Specially developed
- Provides excellent lubrication under high load, high heat
- Factory filled ATF+4
5. Valvoline Dual Clutch Transmission Fluid 1 QT
The Valvoline dual-clutch transmission fluid 1QT is a quality product to use in your vehicles. It’s manufactured by the American-owned and operated company Valvoline, which has emphasized on producing and delivering world-class products since 1866. Hence, it has become a pretty reliable brand among customers.
Product Highlights
Thanks to its premium friction modifiers, this transmission fluid by Valvoline helps your vehicle achieve a smooth-shifting performance and enhances the overall driving experience, thereby extending the life of the engine.
Apart from that, formulated with premium friction modifiers, it reduces friction within engine parts and saves you from costly engine repairs. It’s infused with quality synthetic oils to help reduce the issues of thermal breakdown.
Furthermore, the transmission fluid reduces the formation of deposits in the engine. Over time, these deposits can deteriorate the overall performance of the engine and reduce its lifespan.
Last but not least, its advanced anti-wear technology prevents gear wear and offers excellent anti-shudder durability.
What's There To Like About It?
Thanks to its premium friction modifiers and premium synthetic base oils, my Ford C-Max has been running without any major issues. These formulations have enhanced my overall shifting performance under changing driving conditions. And the engine didn’t produce much noise, which is an added bonus.
Besides, its excellent protection from deposits and friction saves my engine from wear and tear. I have already been a Valvoline customer for some time now, so choosing this product was a no-brainer for me.
What's There Not To Like About It?
This might not be a suitable option if you’re looking for a budget-friendly product as compared to its competitors. The engine performance also dips when it's driven at extreme temperatures. Due to these drawbacks, the product ranks below the Genuine Chrysler automatic transmission fluid, as the latter can deliver unmatched performance in different temperatures.
Pros and Cons of Valvoline Dual Clutch Transmission Fluid 1 QT
Pros
Cons
- Meets the challenging demands of dual clutch transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer while preventing wear of the gears and synchronizers.
- Advanced anti-wear technology improves durability to help extend the life of your transmission
Buyers Guide
With this, my reviews of the best DSG transmission fluid come to an end. However, choosing an ideal product might still be difficult with so many factors at play. Hence, I'll now go over each of the important factors so that you can make a well-informed purchase decision.
1. Compatibility
It is probably the most critical factor to consider when selecting a transmission fluid. No matter how expensive the fluid is, you should always check if it’s compatible with your vehicle type.
This information is generally available on the brand website or e-commerce website. Remember that if you fail to choose the right transmission fluid, it can lead to complete transmission failure in your vehicle and might even damage it completely.
2. Type Of Transmission Fluid
Conventional and synthetic fluids are the two types of transmission fluids on the market. The former deliver a more or less satisfactory performance, and they are more affordable.
However, they don't protect your vehicle from deposit formation, grinding, rust, or other problems, which is not the case with synthetic fluids. And these oils break down at extreme temperatures, leading to degradation in vehicle performance.
On the contrary, synthetic fluids are formulated to provide stability and strength. Due to the unique formula, they can withstand extreme conditions and lead to longer drain intervals, fewer breakdowns, and improved performance. The only thing that might concern you is the high pricing, but as they say, you can’t put a price on quality!
If you ask me, I’d say it’s better to opt for the latter if you want the engine to remain in top condition even after years of driving.
3. Oil Viscosity
The primary purpose of transmission fluid is to minimize friction and wear between critical parts of an engine. As the fluid lubricates and surrounds the engine parts, it reduces the friction between them, thereby lowering the risk of breakdown. And it dissipates the heat generated during engine operation while helping with temperature control.
As a result, the viscosity of your transmission fluid must be considered. To put it simply, the viscosity is defined as fluid thickness and is measured in terms of SAE. The higher the SAE value, the higher the viscosity of the oil, and vice versa. In general, fluids with higher viscosity levels protect the engine better.
4. Budget
Budget is another thing you might want to consider when purchasing a transmission fluid for your vehicle. Before finalizing one, you must analyze its price and compare it with other products on the market. The comparison must be based on features they present at a particular price point. This saves you from spending unnecessarily and narrows down your choice to help select the right product.
5. Additional Features
Additional features offered by the transmission fluid might be a breaking point that should help you select the ideal one. Some fluids, like the Castrol Transmax transmission oil, come with features like high thermal protection, high friction resistance, and increased lifetime. So, if you prefer such features, then it’s viable to go for it.
Moreover, if your vehicle has been suffering from a specific problem that needs to be dealt with, choosing a product specially designed to combat it will undoubtedly enhance its performance. For example, the Triton 5.4 engine may often suffer from overheating, which is why it’s crucial to go for a fluid that keeps the engine cool and lubricated.
Frequently Asked Questions (FAQs)
Adding more transmission fluid than the standard level in a vehicle causes leaks and can be potentially dangerous.
Using the wrong transmission fluid can make shifting gears a real hassle. You may have to use much more force while shifting them and they may also make strange noises during the process.
Apart from that, it can lead to potential overheating and even damage the gearbox. So, you must be careful when selecting a transmission fluid for your vehicle.
As per the manufacturer’s instructions, transmission fluid needs to be replaced every 30,000 to 60,000 miles. And if you’re driving your vehicle every day across the city and change gears repeatedly, I’d recommend changing the fluid more frequently.
Otherwise, you’ll notice that many of the engine parts are not working properly, and there may also be significant damages caused to the gearbox.
Gear oil is very similar to engine oil but without proper cleaning agents and friction modifiers. So, I’ll recommend against mixing the transmission fluid with any engine oil.
Firstly, find the DSG filter cartridge by removing the battery, airbox, and battery tray, for which you will need a DSG transmission fluid change kit. Once you’ve removed these parts, you have access to the housing, and removing it will provide access to the DSG filter cartridge. Go ahead and remove that as well. It aids in cascading the oil fluid and easily accepts new fluid.
Behind the engine, you’ll find a DSG drain plug where you unscrew two funnel plugs and completely drain the old fuel. Once it’s done, place a funnel on it to pour the new transmission fluid.
Shake the bottles carefully before you take off the cap and pour it. Now, pour it into the funnel and once you’re done with that, reinsert the housing and filter. Finally, reassemble the battery and airbox.
No, you can’t use ATF for direct shift gearbox transmissions. Although some ATFs might work with DSGs, most don’t, so I wouldn’t recommend doing that.
My Final Recommendation
That has brought me to the end of my guide on the best DSG transmission fluid, and hopefully, it will eventually help you find the most suitable option.
That said, I’d like to share some of my personal favorites from the list before wrapping up. My top choice would be the TRIAX DSG / DCT ATF fluid, which delivers exceptional wear protection and driving experience and enhances the lifespan of the engine.
Another option worth considering would be the Motul Multi Dual Clutch Transmission Fluid, which keeps the engine in top-notch condition even at higher temperatures and promotes fuel economy.
My next favorite is the Castrol Transmax DEX/MERC. Apart from being backed by a reliable and trusted brand, it offers features like smoother shifts, low noise and high engine performance.
I will see you next time. Goodbye and take care!