Best Oil for Subaru WRX STI– What Are The Top 7 Picks?


best-oil-for-subaru-wrx-sti

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Your new Subaru is here and you want to make sure every maintenance step necessary for it to do well for the longest time is prioritized by you as much as possible.

Now one part that definitely needs your deep concern is the engine. And to make sure this component of your Subaru is not facing challenges and difficulty any time sooner, you must make oil changing a regular upkeep habit.

Now, not all oils available in the market will be what you’d want to feed your vehicle. Being a bit picky, knowing which one is better to bring home and use, as well as going for an inexpensive option (as you’ll be oil changing quite frequently) are your major concerns when looking for the best subaru wrx sti oil.

Our Top Pick: Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil

  • Features Anti-Glug Tube
  • Long-Lasting And Portable
  • Logical Price Range

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Researching more than 20 pairs of oil, we have collected below the 5 (out of 7) best oil for subaru wrx sti:

  1. Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil The Best Oil For Subaru WRX 2015
  2. Motul 8100 X-Clean EFE 5W-30 Synthetic OilThe Best Oil For Subaru WRX STI 2020 
  3. Valvoline Full Synthetic SAE 0W-20 Motor OilThe Best Oil For Subaru Forester 2013
  4. Mobil 1 Extended Performance Full Synthetic Motor OilMost Excellent Pick For 2005 Jetta 
  5. Valvoline Modern Engine SAE 5W-30 Synthetic Motor OilThe Finest Pick For 2014 Sonata

7 Best Oil for Subaru WRX STI

No more waiting, here’re our reviews on the top oil options we’re willing to hype up to those who really need something worth their time and attention.

1. Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil- The Best Oil For Subaru WRX 2015

Specification Of Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil

Viscosity Rating

5W-30

Liquid Volume

5 Quarts
Tested By

IVA Wear Test

Good For

Subaru WRX STI 2015

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The Valvoline motor oil comes with a full synthetic formula that works great for Subaru WRX 2015 vehicles. It as well allows your car to run fast and stably with no struggle.

Unlike others, this motor oil has 5 quarts of liquid volume that is quite similar to the 2015 WRX oil capacity. It as well helps your car to run for a longer period of time with no hitches.

Besides, this motor oil has anti-wear additives that allow your car engine to get more than 40% protection. It as well allows your car engine to get rid of wear and other issues.

This motor oil meets the API SP classification protection with its latest engine technology.

Amazingly, it has a great texture and liquidity that allows engine parts to operate well with no corrosion struggle. This motor oil also takes care of breakdown in extreme conditions.

And, it comes with a great ability to clean the engine through better sludge and varnish clearance. This motor oil also works well in different temperatures.

The Bottom Line

Out of all, it is one of the best oil for Subaru WRX STI that offers fine durability and controls engine performance. This motor oil also helps greatly to increase engine speed.

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2. Motul 8100 X-Clean EFE 5W-30 Synthetic Oil- The Best Oil For Subaru WRX STI 2020

Specification Of Motul 8100 X-Clean EFE 5W-30 Synthetic Oil

Flash Point

232 Degrees Celsius

Liquid Volume

169.05 Fluid
Viscosity

5w-30

Fit Type

Universal Fitment

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This 2020 Subaru WRX STI oil comes with a great price range with many features to ensure the fine efficiency of the engine. It as well allows your car engine to boost the speed at a level road.

But wait, that is not all. This motor oil comes with an OEM standard that allows your engine to get rid of high-temperature damages. It as well helps you to stay away from corrosion.

And, this motor oil has a synthetic formula that allows you to get rid of peel or wear issues for a long while. It as well ensures no damage to the engine if the weather is extremely cold.

Unlike other motor oils, it comes with 232.0 degrees Celsius flashpoint to use well.

Also, this motor oil comes with a friction modifier that allows you to get better power output in different traction. It as well takes care of engine use-up habits.

This motor oil also has good pressure to ensure the engine performs well. It as well allows your engine to get high sheer stability.

The Bottom Line

This motor oil is an ideal pick if you want a solid and quality option for your Subaru WRX STI cars. It is also a fine pick for controlling fuel spends and increasing engine speeds.

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3. Valvoline Full Synthetic SAE 0W-20 Motor Oil- One Of The Best Oil For Subaru Forester 2013

Specification Of Valvoline Full Synthetic SAE 0W-20 Motor Oil

Viscosity

0W-20

Liquid Volume

5 Quarts
Lifespan

For Up To 75,000 Miles

Good For

Preventing Future Engine Wear and Corrosion

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The Valvoline 0W-20 motor oil comes with 5 quarts volume more than the 2006 STI oil capacity that goes well with Subaru Forester 2013. It also allows your engine to improve operating skills.

And, we are not through yet. This motor oil as well comes with great protection to ensure no struggle of engine heat and stress. It as well helps your engine to run safely.

Plus, this motor oil has fine seal conditioners that help your car engine to get younger even after using a long period. It as well helps your engine to get rid of leakage or overflow.

This motor oil has a full synthetic formula to ensure better control over engine running speed.

In fact, it comes with anti-wear additives that allow you to get 50% better security to get rid of rust. This motor oil also allows your engine to fight sludge at ease.

With 25% more deposit safety, it comes with API SP standards to ensure good engine technology. This motor oil also lasts for up to 75,000 miles.

The Bottom Line

This motor oil is a perfect option if you prefer a higher mileage in low spending for riding cars. It is also worth trying for those of you who want high-end engine motor oil for Subaru WRX STI.

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4. Mobil 1 Extended Performance Full Synthetic Motor Oil- Most Excellent Pick For 2005 Jetta

Specification Of Mobil 1 Extended Performance Full Synthetic Motor Oil

Viscosity

5W-30

Lifespan

For Up To 20,000 Miles
Vehicle Service

Cars

Liquid Volume

160 Fluid Celsius

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This Mobil 1 synthetic motor oil comes with a 5W-30 viscosity that improves engine working for 2005 Jetta. It as well helps your engine to get fine protection against rust or corrosion.

Plus, this motor oil has ILSAC GF-6 standards that help to give LSPI and time chain wear protection. It as well allows your engine to get rid of oil breakdown and crash.

On the face of it, this motor oil has a fine change time for up to 20,000 miles to operate well.  It as well allows you to get fine riding control by keeping your engine excellent to spend fuel.

This motor oil is very excellent to control friction and wear on the metal parts of the engine.

Besides, it comes with great internal engine heat protection for up to 500 degrees F with no burn damages. This motor oil also has low-temperature safety for up to -30 degrees F.

It as well makes sure your engine is getting rid of imperfections and impurity to run stably. This motor oil also prevents harmful sludge.

The Bottom Line

This motor oil is an excellent pick if you desire a versatile option that protects the engine well. It is also a fine pick to work well at a low consumption without making any irksome noise.

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5. Valvoline Modern Engine SAE 5W-30 Synthetic Motor Oil- The Finest Pick For 2014 Sonata

Specification Of Valvoline Modern Engine SAE 5W-30 Synthetic Motor Oil

Flash Point 199 Degrees Celsius
Viscosity 5W-30
Change Time Up To 15,000 Miles
Suitable For Maximizing Fuel Efficiency and Engine Life

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This synthetic motor oil is known as the versatile and multi-purpose usable option for 2014 Sonata vehicles. It as well gives fine safety to avoid a motor breakdown in most engines.

Plus, this motor oil has a full synthetic thickness that ensures giving fine protection against high temperatures. It as well helps your engine to work well even in low temperatures.

This motor oil also has a fine performance to get rid of wear, sludge, and corrosion. It as well allows your engine to run smoothly.

This motor oil has great quality to fights carbon build-up in GDI.

In addition to that, it comes with 5W-30 viscosity that ensures good usage with no struggle. This motor oil as well helps your engine to flow at a stable pace compare to others.

And, the Valvoline the best oil brand for Subaru WRX STI to ensure good quality assurance. They as well allow you to get 24 hours of client service to solve issues well.

The Bottom Line

This motor oil is a great option if you want your engine to get better and perform in a proficient speed. It is also fine for ensuring your engine use fuel well without spending a lot.

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6. TriboDyn 5W30 TriDex Fully Synthetic Engine Oil- The Best Option For Long-Term Usage

Specification Of TriboDyn 5W30 TriDex Fully Synthetic Engine Oil

Change Time

Up To 15,000 Miles

Liquid Volume

1 Quart
Viscosity

5W-30

Good For

Chrysler MS-6395M, Subaru WRI STI, and Ford M2C929-A

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This engine oil has a better fuel mileage benefit that allows your engine to use well for a long-term ride. It as well allows your engine to change the oil after 15,000 miles of the ride.

And, this engine oil comes with a premium synthetic base and ceramic coating tech that ensure good lubrication to engine parts. It as well allows your engine to operate well.

In fact, this motor oil has great liquidity that allows protecting the engine smoother acceleration. It as well helps your engine to avoid heat or friction struggle.

This motor oil helps your engine to improve throttle response and power well.

It also comes with fine engine safety to protect the surface from peels or wears. This engine oil as well allows your vehicle engine to get rid of metal rust and corrosion.

Besides, it allows your engine to get rid of irritating noise even if riding in bumpy or rocky areas. This motor oil as well ensures good absorption of an engine working noise.

The Bottom Line

This motor oil is a fantastic option for those of you who prefer good heat and cold temperature usage. It is also a good pick for finding a higher flashpoint.

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7. Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil- Most Excellent Option For Low Fuel Consumption

Specification Of Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil

Viscosity

15W-40

Number Of Engine Oil

3
Liquid Volume

128 Fluid Ounces

Suitable For

Reducing Viscosity Loss and Improve Engine Pressure

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The Shell Rotella T6 is great Subaru STI oil that makes sure your engine avoids consuming extra fuel. It as well allows your engine to perform well by saving 5% fuel.

No doubt about it, this motor oil has a Triple Protection Plus formula that makes sure you get better engine life even after years of use. It also ensures better safety.

And, this engine oil comes with additive technology that allows handling soot, dirt, and other damages to the engine when working. It as well allows your motor to run smoothly.

This motor oil improves wear and tear protection against rust and corrosion.

It as well comes with a 15W-40 rating of viscosity that ensures cold cranking properties at -15 C. This engine oil as well ensures your engine runs well in cold climates.

Besides, it comes with 50% more wear resistance and 85% copper corrosion. This motor oil also has 98% lead corrosion to ensure deposit control.

The Bottom Line

This motor oil is a stunning pick if you want a better engine performance and full synthetic base option. It is also good for protecting engine parts from breakdown.

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How to Pick the Best Oil for Subaru WRX STI?

How To Pick The Best Oil For Subaru WRX STI

Finding the motor oil is quite easy if you know what features to look into. There are many varieties of motor oil to use. To make the right choice, you need to check quality, durability, and other aspects. So, let’s check the points in detail.

Types of Motor Oil

You’ll find 3 main types of motor oil in the market such as conventional, full-synthetic, and synthetic blend. Here you’ll find details of each motor oil type.

Conventional

This type of motor oil is usually are different from the other 2 types. It has detergent, friction modifiers, viscosity modifiers, and other elements. This type of motor oil is good for most cars.

Full Synthetic

The full synthetic motor oil is considered the best oil for STI vehicles. This type of motor oil is high in quality and performance to handle engine working. It as well engines to run great in a higher RPM by spending less fuel when riding for a good while.

Synthetic Blend

This type of motor oil is a blend that contains synthetic and conventional bases. And, the synthetic blend oil type makes sure good protection compared to conventional ones. Also, this type of motor oil has a logical price range.

Viscosity

When in the market, you need to check the viscosity of motor oil. It actually indicates the rating based on temperatures and engine loads. So, check the viscosity in motor oil to pick the right one.

Most motor oil has 5W-30, 5W-20, 15W-40, 5W-40, and 0W-20 ratings.

Protection

Protection is an essential factor on the motor oil that ensures safe usage. Most motor oils have up to 200 degrees Celsius to makes sure heat protection. Also, it should have low temperatures benefit to use in cold weather. So, choose motor oil wisely.

Performance

Another aspect that needed to think about in motor oil is performance. The motor oil also should have a good ability to prevent engine wear, rust, sludge, and other harm.

It should perform well to increase engine lifespan by stopping damages.

How to Dispose of Motor Oil?

How to Dispose of Motor Oil

To dispose of older motor oil, you need to learn about the safe process for trying. The old motor oil disposal needs some essential tools to do the job well. So, let’s check the processes of motor oil disposal.

Use Paper Towel

You firstly need to use a paper towel before starting the disposal process. When thinking of recycling the motor oil, it’s better to clean the surface first. For that, prepare a paper layer on the oil filler to ensure no spills.

Gather Tools For Changing Parts

Next, you need to change oil and filler in your vehicle to ensure safe disposal. To do so, it is better to take your essential tools to change the oil and filler without ruining anything. Also, ensure motor oil-related parts are changed.

Also, makes sure you are fully getting rid of contaminating the motor oil. This way you can easily dispose of it. Just grab other liquids or solutions to go through this process.

Deflate The Dome Of Old Oil Filter

Then, you need to puncture the dome of the used oil filter. Once you have to puncture it, you need to take out excess oil from the filter into the pan. Just be sure all the oil is cleared from the oil filter to move to the next step.

Use A Plastic Bag

Next, you need to use a plastic bag to cover the oil filter punctured areas. It as well helps easily remove the used oil.  After that, you need to transfer the oil by using a sealable oil pad. Next, pour the motor oil inside a container that is safe to use.

Then, you need to make sure there is no other liquid or oil is filling the engine. This way the engine will perform well. Next, shift the containers to an AutoZone store that collects used oil.

How To Change The Oil For Subaru WRX STI?


If you are new to motor oil and want to know how Subaru WRX STI oil change, then it’s better to check this guide. Basically, a little mistake can harm the engine and its performance skill. So, here we have given detailed steps to change oil at ease.

Step-1: First off, gather all the tools that you’ll need for starting fine. Take oil drain pan, funnel, wrench, and other essential tools before continuing the further steps.

Step-2: Check your vehicle manual to avoid mistakes. Then, open the hood of your car and take out the oil filler cap.

Step-3: Now, jack up your car to make it level. Insert the hoist arm under your car and lift it well.

Step-4: Use a wrench or socket to take out the oil drain plug in the right way.

Step-5: Take out all the oil from the oil pan to continue the next step.

Step-6: Then, you need to take the oil filter out of the engine.  Just loosen out it and gently take out the filter.

Step-7: Clean the spilled areas using a paper towel or wiper.

Step-8:  After that, insert a crush washer into the oil pan. Makes sure it isn’t attached too tightly that will be hard to remove.

Step-9: Now, you need to pour some oil into the oil filler using your finger. This way you can ensure good sealing to the rubber gasket to ensure no struggle of rust or peel.

Step-10: Then, remove the jack under your car. After that, attach the oil funnel to the filler tube. Pour oil the amount needed to fill better. Makes sure to check the manual to know better.

Step-11: Re-install the oil filler cap and test your Subaru WRX STI to ensure a successful job.

Frequently Asked Questions (FAQs)

Is synthetic and conventional oil the same?

There are huge differences between synthetic and conventional oil if look in detail. Synthetic oils are built with artificial chemical compounds such as crude oil and petroleum. This type of engine oil lasts a good while and secures well.
On the flip side, conventional oil is made directly crude oil that lubricates in high temperatures. But it can cause a decrease in engine efficiency.

How many quarts of oil does a Subaru WRX STI need?

Basically, the Subaru WRX STI vehicles have up to 4–5-quart oil capacity. Depending on your vehicle’s engine capacity, you’ll need over 5 quarts of engine oil.

Does Subaru WRX STI burn oil?

The Subaru WRX STI vehicles usually burn a specific amount of engine oil. To make it clear, every vehicle is designed to consume oil. However, they won’t spend more oil if the vehicle is new. The vehicle will gradually increase the fuel consumption concept if it gets old.

How many times should you need to change your oil?

Normally, a vehicle will need to change the oil after crossing the limited millage. Most Subaru WRX STI vehicles have a filter and oil change at 3,000 to 7,000 miles. Changing your vehicle oil helps good performance in different weathers.

Is synthetic oil good for Subaru STI?

Yes. The synthetic engine oil helps Subaru WRX STI vehicle to perform well. It as well protects the engine from rust or corrosion. And, this type of oil impurities engines to increase efficiency.

Final Words

Once you are done reading this guide, we hope you have learned all the factors that will need to get the best oil for Subaru Wrx Sti.

Not only the engine oil will improve your vehicle torque and horsepower but also run well on cold weather. But, picking an engine oil out of many models will be tough. There are many types of engine oils that work differently for Subaru WRX STI vehicles.

To get rid of making a bad choice, it is better to know about each product’s benefits and downsides in detail. This way you can understand engine oil features to select easily. You can also make a checklist including all the points your vehicle needs in engine oil.

We as well had given 7 top-notch products that are high in rating and quality for Subaru WRX STI. These engine oils are great for increasing service life and prevent the engine from rust. Have A Nice Day!

Tony

Experienced with the autoparts and mechanical tools for years and now want to utilize this experience by helping others in DIY autoparts service and guides. I will love to assist people with any auto guide and solution through these contents that are the outcome of in-depth research, practical experience, and beautiful writing.

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