Best Oil for Infiniti G35 in 2021: High Mileage? No Problem

Introduction To Engine Oils for Infiniti G35

From 2002 to 2008, the Infiniti G35 was promoted. The vehicle was powered by Nissan’s FM platform, which was also used by the Nissan 350Z and the Infiniti FX-Series.
When it comes to oil for Infiniti G35, it is made by reputable and internationally recognized organizations, and it has exceptionally high properties.

In this post, we compiled all of the gatherings, conversation sheets, and hypotheses on the subject of the best oil for Infiniti G35 and revealed which oil to use in your G35.

G35 Oil Recommended by Manufacturer

Infiniti recommends using SAE 5W-30 synthetic oil. For all ambient temperatures, SAE 5W-30 viscosity oil is preferred. If the ambient temperature is above 0°F (18°C), SAE 10W-30 or 10W-40 viscosity fully synthetic oil may be used.

To improve fuel economy and conserve energy, Infiniti recommends using a low friction oil (energy conserving oil).

Infiniti also recommends mineral-based oils. These oils, however, must meet the API quality and SAE viscosity ratings for your vehicle.

Types of Motor Oil For Infinity G35

While there are several engine oil variants on the market, the SAE grade of the oil is what you should look for.

The alpha-numeric rating assigned to each oil indicates how well it will perform in cold climates. In SAE 5W-30, for example, the ‘5′ represents the oil flow at 0° F, the ‘W’ is for winter, and the number after that is the viscosity at 212° F.

The lower the first number, the better your oil will perform during the winter. The second number indicates how quickly the oil will lose viscosity at 212° F.

With that out of the way, let’s take a look at the various types of oils for your Infiniti G35.

Synthetic Blend Oil

The synthetic blend is a good intermediate solution because it combines synthetic oil with premium conventional oil. It works well on the majority of modern vehicles and won’t break the bank.

Its performance at higher loads is almost certain to be better than OEM-spec oil, at a lower cost than fully synthetic oil.

Fully Synthetic Oil

The real deal, or fully synthetic oil, reigns supreme among oil types. It is unquestionably more expensive than the other options here, but it offers superior performance at higher temperatures.

Unlike other conventional oils, fully synthetic oil does not easily lose its viscosity. It also lasts longer and does not degrade in harsh conditions.

Our Overall #1 Rated Pick

Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil

SAE 5W-30 engine oil is the recommended oil for the Infiniti G35. Castrol EDGE 5W-30 is the most advanced synthetic oil available. It is a premium fully synthetic oil designed for customers who want the best performance out of their vehicles.

This formulation’s versatile quality, defined by Fluid Titanium Technology, reduces metal to metal contact over a range of driving rates, lowering friction and increasing motor execution.

Castrol EDGE is 3X more resistant to viscosity breakdown than the leading premium synthetic and conventional oils. The 5W-30 consistency grade was tested in accordance with ASTM D6278.

The synthetic oil improves engine performance. This encourages you to save money that would have been spent on new oil or a new motor.

If you require the best performance from your motor, use what is best for your motor. Consider Castrol EDGE. It is made of Titanium for maximum engine performance.

Best Rated Engine Oil for Infiniti G35 in 2021

1. Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil

Pressures in current motors have nearly tripled in the last thirty years as a result of increased interest in execution and efficiency. More significant weight implies greater concern for the oil and the possibility of further erosion. As metal-on-metal contact expands, it causes wear and reduces performance.

Under the hood, the weight can reach 10 tons per square centimeter.

Product Performance Claims:

  • ILSAC GF-5
  • Products meet a range of OEM specifications


  • Meets API SN/CF
  • Titanium strong for maximum engine performance
  • Best full synthetic money can buy

2. Castrol GTX High Mileage 5W-30

Castrol GTX High Mileage is a synthetic blend engine oil that helps extend engine life by protecting against sludge, wear, and burn-off, as well as a liquid engineered to protect your emission system.

Castrol GTX High Mileage is specially formulated with less phosphorus than other leading oils, replacing it with advanced Castrol High Mileage technology invented and patented that helps prevent catalytic converter and emission system failure and provides unrivaled protection against sludge, wear, and oil burn-off.

This oil meets or exceeds the manufacturer’s warranty requirements for API SN and ILSAC GF-5 applications.


  • Best for High Mileage
  • Improved fuel economy
  • Advanced additives to minimize engine wear


  • Not fully synthetic
  • Doesn’t help with engine power

3. Mobil 1 5W-30 ESP

Mobil 1 ESP 5W-30 is a high-performance engine oil designed to provide excellent cleaning power, wear protection, and overall performance. Mobil 1 ESP Formula 5W-30 has been expertly designed to extend the life and maintain the efficiency of Car Emission Reduction Systems in both diesel and gasoline-powered vehicles.

Mobil 1 ESP 5W-30 has been designed to help convey exceptional execution and security in terms of efficiency benefits.


  • Low Sulphur and Phosphorous content
  • Active cleaning agents
  • Enhanced frictional properties

4. Pennzoil Ultra Platinum

Pennzoil is the first engine oil made from refined natural gas rather than unrefined natural gas. Pennzoil Ultra PlatinumTM with PurePlusTM Technology is a first-of-its-kind full-manufactured engine oil made from flammable gas and designed for COMPLETE PROTECTION. It is race-tested.

Pennzoil Ultra Platinum SAE 5W-30 Full Synthetic Motor Oil also has the following benefits. Keeps cylinders significantly cleaner than industry standards require (Based on ILSAC GF-6 and Sequence IIIH cylinder store test utilizing SAE 5W-30).

In comparison to a dirty engine, Pennzoil Ultra Platinum Full Synthetic engine oil allows you to drive an extra 550 miles per year. Pennzoil Ultra Platinum Full Synthetic engine oil protects your engine from wear and deposit formation by assisting in the protection of your engine against wear and deposit formation.

When it comes to protecting your engine’s internal components from metal-on-metal contact, no other driving engineered engine oil outperforms Pennzoil Ultra Platinum Full Synthetic engine oil (Based on Sequence IVA wear test).

Provides faster low temperature oil flow in extreme cold conditions and protects against oil oxidation and corruption in extreme heat situations such as the combustion chamber and turbochargers.


  • Protects horsepower
  • Designed for high performance engines
  • Unsurpassed wear protection


  • It doesn’t condition older seals
  • For driving in extreme conditions, Pennzoil Ultra would perform better

5. Valvoline Advanced Full Synthetic SAE 5W-30

Valvoline Advanced 5W-30 Full Synthetic Oil provides superior protection for hardworking automobiles. It’s been designed with creative added substance innovation to combat serious motor worry from: stop and go driving, extreme temperatures, and pulling and towing.

It provides additional cleansers and dispersants that provide maximum sludge and deposit protection, as well as premium added substances that withstand high temperatures and contact under extreme driving conditions, through its serious definition.


  • Superior sludge and varnish protection
  • High-temperature protection under severe driving conditions
  • Meets the API SN Plus classification protecting engines from LSPI

Steps to Changing Engine Oil on Infiniti G35

1 – Remove the oil filler cap from the motor spread.

The Infiniti G35 has a covert that keeps flotsam and jetsam, salt, and other debris out of the engine compartment while also allowing for better underbody wind current. This spread is held together by 14 bolts.

2 – Remove the 10 mm attachment wrench and set it aside to eliminate the jolts and spread. The secret is depicted in the image below (the piece with the square shape cut out of it). The vast majority of the jolts are along the spread’s external edge; there are two at the back of the spread, two on each side of the spread, two near the spread’s focal point, and the rest are along the front edge.

When you remove the spread, you will have an away from the synthetic oil channel plug and the oil channel.

3 – Position the oil channel dish beneath the channel attachment and channel region.

4 – Using the 14 mm attachment, loosen the oil dish jolt. If you remove it with the attachment wrench, you will get oil all over the wrench.

5 – Once the channel plug is free, remove it from the rest of the path with your hand. Take care! The oil will be warm or hot (WARNING: The oil may be VERY HOT – use caution) and will spout quickly. The faster you pull the channel plug jolt out and away, the less jumble there will be.

6 – Allow the oil to flow into the skillet. I let it sit for at least 5 minutes; the more you get out of it, the better.

7 – Once the oil has stopped depleting, use your extraordinary wrench to remove the oil channel (it might be sufficiently free to eliminate by hand, however be cautious, the channel might be very hot). It should come off without a hitch. Take care! Oil will also be produced by the oil channel association and the channel itself.

Ensure that the elastic gasket is removed along with the old channel. It occasionally sticks on the square, resulting in disastrous results after inserting a new channel.

8 – Place the channel on the catch container’s head and allow it to channel.

9 – After a few minutes of waiting for any outstanding oil channel to be removed from the vehicle, wipe down the channel plug zone and around where the channel connects with your shop towels to ensure it is as clean as possible before introducing the new channel and replacing the channel plug fastener.

Installing the New Filter and Replacing the Drain Plug

1 – Clean the channel attachment and remove the old pulverized washer (it is typically copper and should fall off without any problem).

2-Place the new washer on the jolt, with the pulverizing end facing the vehicle’s oil skillet. Screw in the fitting and tighten by hand. Now, use the 14 mm attachment wrench to secure the rest of the route. As you tighten the screw, the washer will pound, creating a seal. Don’t over-repair; stripping the strings on the dish is an expensive fix!

3 – Pour new oil into the new channel almost all the way (in the event that you fill it to an extreme, the oil will spill as you introduce the new channel).

4 – Wet the dark ring seal around the external edge of the new channel with a small amount of new oil; this will aid in the formation of the seal when the new channel is introduced. I either use my finger or a shop towel to dip into the new oil and then spread it on the seal.

5 – Attach the new channel to the strings. Turn the channel by hand until it begins to fix and then stops. Now, turn the channel about another 3/4 turn. You’d rather not over-fix the channel. Wipe down the area once more with your shop towels.

Including The New Motor Oil

1 – Insert your pipe into the motor spread’s oil fill opening. Include the new oil gradually through the channel to avoid spillage.

Note – The amount of oil you include will vary slightly depending on the amount of oil you let channel and the size of the new channel. You will need 4 1/4 to 4 3/4 quarts. It is better to slightly underfill the oil and include more than to overfill.

2 – In the motor spread, replace the oil filler top.

3 – Start the vehicle and allow it to run for 1–2 minutes. The vehicle is a mood killer. Examine the vehicle’s undercarriage for dribbles and so on. If everything appears to be in order, replace the secret.

Steps to Take Following a Change

1 – Carefully lower the vehicle (if using jack-stands) or drive it off the inclines. Allow the vehicle to sit for 3-5 minutes before checking the oil level with the dipstick; it should be between the “H” and “L” markings. Include more oil if necessary, but don’t overdo it!

2 – Clean up your work area and dispose of your old oil and oil channel at a help station or an oil reusing community.

What Is the Best Infiniti G35 Oil?

The V6 engine in the Infiniti G35 is a long-lasting motor. You won’t have to worry about its longevity as long as it’s well maintained.

Getting the best oil for the G35 must therefore be at the top of the priority list. Here are our selections from the preceding list.

Daily Driving: Pennzoil Ultra Premium

If you drive your Infiniti G35 on a daily basis, the Pennzoil Ultra Premium engine oil should be sufficient. Its superior ability to keep power and efficiency loss to a bare minimum makes it an excellent choice for daily drivers.

High Performance: Castrol Edge Advanced

Installing a slew of performance parts will make the Infiniti G35 faster, but to keep all that power going, you’ll need an oil that performs equally well under stress and under normal driving conditions. In this case, the Castrol Edge Advanced is exactly what you need.

Extreme (Cold) Weather: Mobil 1 European

Winters can be harsh on your G35s engine, leaving it with insufficient lubrication. Fortunately, Mobil 1 European Car Formula engine oil easily handles low temperatures and keeps your car running as smoothly as ever.

Conclusion: Found The Right Oil Type?

Engine oil is essential in ensuring that your Infiniti G35 performs as it should. We doubt you’ll want to settle for anything less than the best if you truly want to do justice to its sublime V6 engine.

Regular top-ups and timely engine oil replacement will undoubtedly help your engine last longer and perform optimally.

Every manufacturer recommends a specific grade of oil that is guaranteed to work with a wide range of users under a wide range of driving conditions.

While following the manufacturer’s advice is a good idea, keep in mind that this is advice for a stock car. Consider whether OEM oil is best before driving your G35 up onto your low-profile car ramps for its next oil change.

If you’ve replaced OEM parts with high-performance ones and your Infiniti G35 has been modified to produce more power, there’s a good chance the Infiniti-recommended engine oil won’t last as long as a high-performance engine oil.

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