The Infiniti G35 is a high-quality product that requires the best care. If one takes proper care of the same, it can outperform several of its competitors. However, choosing the wrong products for the same can lead to an underwhelming performance and can even result in permanent damage to the engine. Thus, choosing the best oil type becomes a crucial aspect. To save you from the trouble of looking at every single product on the market for your Infiniti G35, I have prepared a comprehensive guide below which may help you in making an informed decision. 

Best Oil For Infiniti G35 Reviewed

Most of the products mentioned below are certified by the American Petroleum Institute.

Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil

Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil

Key Details:

  • Manufacturer: Valvoline
  • Style: Advanced Full Synthetic
  • Viscosity: 5W-30
  • Liquid Quantity: 5 Quarts

The Valvoline Advanced Full Synthetic 5W-30 Motor Oil is an excellent product manufactured by Valvoline. The brand has the trust of millions of customers for the past 150 years, so you know the quality of the product will be top-notch. The product successfully meets the needs of your Infiniti G35 engine and will ensure maximized performance. 

It is equipped with anti-wear additives that aid in providing up to 50% improved protection against wear when compared to the modern industry standards as per the Sequence IVA test. It is a fully synthetic motor oil that provides superior performance than the synthetic blend or the conventional oil types. 

It also has additives that aids in preventing the deposit of sludge and other unnecessary dirt that cause poor performance in the long run. It thoroughly cleanses the engine’s critical parts which leads to an increase in the overall life of the engine. 

The product also prevents oil/viscosity breakdown under critical conditions which are usually caused by extreme pressure on the engine. It provides an extra layer of protection to the engine under excessive heat and also helps in achieving an easier start-up of the engine under cold temperatures. 

However, a common problem associated with the product is that the oil burns quite faster as compared to some of its other competitors.

It meets the API SP, SN, SN PLUS, Resource Conserving, ILSAC GF-6A, and is certified by the American Petroleum Institute for its usage in gasoline vehicles.


Pros
  • Reduces deposits
  • Cold temperature protection
  • Protects against wear
  • Reasonable price
Cons
  • Faster oil burning

Pennzoil Ultra Platinum Full Synthetic 5W-30 Motor Oil

Pennzoil Ultra Platinum Full Synthetic 5W-30 Motor Oil

Key Details:

  • Manufacturer:  Pennzoil
  • Style: Ultra Platinum Full Synthetic
  • Viscosity: 5W-30
  • Liquid Quantity: 160 Fluid Ounces

The Pennzoil Ultra Platinum Full Synthetic 5W-30 Motor Oil is an extremely reliable product manufactured at the hands of Pennzoil. They boast of being one of the few companies that use natural gas instead of crude oil to derive and produce their products. This is achieved by their patented gas-to-liquid PurePlus Technology which converts natural gas into superior full synthetic oil. 

Another advantage of their PurePlus Technology is that since their motor oil is created via natural gas, there are comparatively fewer impurities which are then further fused with high-quality additives. The Ultra Platinum series is possibly one of their best products.

The product provides the best wear protection as compared to other leading motor oil brands as per the Sequence IVA wear test. The container is designed in such a way that makes it easier for the user to pour the oil into the engine, thus reducing oil spills. Pennzoil is proven to endure a tremendous amount of pressure under extreme temperatures, even more so than some of its competitors. It also aids in reducing the problem of poor ignition under cold temperatures, thus allowing a smooth driving experience. 

Pennzoil products are known for their expert cleansing of the critical engine parts and that is exactly what sets it out from the rest. It drastically reduces the dirt in the piston, thus providing your vehicle with a long and healthy life. It also protects the engine from the problem of loss of horsepower and increases the overall fuel economy of the vehicle. It is well suited for the needs of an Infiniti G35 engine and ensures great performance. The product also protects the engine from excessive wear and also works well in European vehicles. 

With all these plus points attached with the product, it is natural that the cost of the same is going to exceed some of its other competitors, thus making it unaffordable for some people and causing hindrance.

It meets the ILSAC GF-6A, API SP and exceeds the ACEA A1/B1, ACEA A5/B5 requirements, and is certified by the American Petroleum Institute for its usage in gasoline vehicles.


Pros
  • Cleans pistons better 
  • Protection under extreme conditions
  • Unmatched sludge reduction
  • Improved wear protection 
Cons
  • Expensive product

Mobil 1 5W-30 ESP Synthetic Motor Oil

Mobil 1 5W-30 ESP Synthetic Motor Oil

Key Details:

  • Manufacturer: Mobil 1
  • Style: ESP Synthetic Motor Oil
  • Viscosity: 5W-30
  • Liquid Quantity: 1 Quart

The Mobil 1 5W-30 ESP Synthetic Motor Oil is another good alternative for your Infiniti G35 designed by Mobil 1. The product has been expertly manufactured to extend the overall life of the engine. It also maintains the overall efficiency of emission systems. 

The product is an advanced synthetic motor oil that naturally provides a lot more benefits when compared to conventional motor oils by creating a blend between conventional base stocks and highly improved additives to deliver you the best product. 

It is compatible with the Diesel Particulate Fitters as well as the Gasoline Catalytic Convertors which, in a simplified manner means that it is suitable for both gasoline and diesel vehicles. This works perfectly with the Infiniti G35 engine and results in improved driving performance for the vehicle.

It delivers excellent performance under high temperatures and ensures the problem of oil or viscosity breakdown which is quite common in modern engines does not occur. It also is able to endure a high amount of pressure on itself, especially under extreme conditions resulting in a stronger and healthier engine. 

The product provides low ash content which aids in reducing the deposits and sludge buildup in DPF. It has a lower sulphur and phosphorus content which aids in reducing the problem of Catalytic Convertor failure and eventually tackles the problem of poisoning in the CAT. It also decreases the overall oil consumption in the vehicle which leads to a reduction in hydrocarbon pollution. 

A major drawback of the product is that the cost of the same can be extremely high as compared to some of the other products on the list. One might even find some better products at the same price tag.

It meets the API SN. SM, GM dexos2, and other requirements of industry standards for both gasoline and diesel engines.


Pros
  • Reduces sludge and deposits
  • Affordable price tag
  • Improves fuel economy
  • Mobil 1’s brand trust
Cons
  • Costly product

Castrol GTX High Mileage 5W-30

Castrol 06440 GTX 5W-30 High Mileage Motor Oil

Key Details:

  • Manufacturer: Castrol
  • Model: 06440
  • Style: High Mileage Synthetic Blend
  • Viscosity: 5W-30
  • Liquid Quantity: 32 Fluid Ounces

The Castrol GTX 5W-30 High Mileage Motor Oil is a high-quality product developed by Castrol. The product is well suited to cater to the needs of your Infiniti G35b engine and it maximizes the performance of your vehicle. 

The product is also equipped with superior detergents which aid in preventing the build-up of unnecessary deposits and sludge. It is also equipped with an improved seal which prevents leaks. The product also has added detergents which reduce wear in the engine.

This Castrol product specializes in combating the problem of poor performance of vehicles that have covered a distance of over 75,000 miles. An extremely common problem of these vehicles is the failure of the catalytic converter which also can hurt the pocket of the owner. The phosphorus emission can hurt the engine as it is a recognized catalyst poison. 

This product is specially formulated with a reduced amount of phosphorus which automatically reduces the problem. It also solves the problem of extended oil burns which is common in some of the other products in this list by reducing the possibility of the same as compared to conventional oil types. 

It is also rated as the number 1 High Mileage brand so you know it delivers an impressive increase in mileage. It also has an extra ingredient that maximizes the fuel economy of the engine. It also has an improved emission protection system which is an added benefit. 

The only problem with the product is that it is a synthetic blend motor oil which is inferior in performance when compared to full synthetic oil products of Castrol or even other brands. 

It exceeds the API SP, SN, SN PLUS, SM, ILSAC GF-6 requirements and is certified by the American Petroleum Institute for its usage in gasoline engines.


Pros
  • Superior wear protection
  • Special container to prevent leaks
  • Reduces oil burning
  • Protects against wear
Cons
  • Increased residual deposits

Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil

Castrol 03559 Edge 5W-30 C3 Advanced Full Synthetic Motor Oil

Key Details:

  • Manufacturer: Castrol
  • Model: 03559
  • Style: C3 Advanced Full Synthetic
  • Viscosity: 5W-30

The Castrol Edge 5W-30 C3 Advanced Full Synthetic Motor Oil is another great product manufactured by Castrol. The product has been manufactured with their patented Fluid Titanium Technology which heavily turns the table in Castrol’s favor. This product provides superior wear protection to the engine and ensures an increased level of protection even under extreme conditions. 

Castrol has been producing high-quality products for a long time and thus the authenticity of their goods is relied upon by millions of consumers. It works extremely well when paired with the Infiniti G35 engine and ensures superior engine performance. It is an advanced full synthetic product, thus has a lot of benefits that some of the other conventional and synthetic blend motor oils do not.

The product maximizes the overall fuel economy of the vehicle. It also increases the overall film strength by a massive 30% and ensures a significant reduction from the problem of friction and wear which deteriorate the quality of the vehicle and its performance. It provides 10x improved protection to the engine under high temperatures and ensures that the engine can sustain pressure on itself under prolonged usage by creating a thicker layer of oil which improves the overall performance. 

It is believed in by people who want exceptional performance from their vehicles. It also suits the European manufactured vehicles which is an added bonus. It provides longer drain intervals than some of its competitors which results in less frequent oil changes resulting in an even smoother driving experience.

It ensures up to 3x stronger protection against viscosity and oil breakdowns when compared to the leading full synthetic motor oils. The product is also manufactured with a special container which ensures easy usage for the product, even for a complete beginner. However, an often occurrence after using this product is an increase in the rate of oil burning which may drive up the overall cost. 

It meets the API SN, ACEA C3, GM dexos2 as well as the OEM specifications for both diesel and gasoline vehicles requirements.


Pros
  • Improves the engine performance
  • Reduces sludge and deposits
  • Improves fuel economy
  • Performs well under cold temperatures 
Cons
  • Increased Oil Burning

Oil Buying Guide For Infiniti G35

Before purchasing any product for your vehicle, one needs to know the following crucial details.

The Viscosity

The viscosity of the engine might be the most crucial detail one needs to know before picking up any motor oil for their vehicles. Each engine has a different viscosity which can result in varying performances. Thinner oils will be more suitable for colder conditions however may have a decreased level of protection.

A thicker oil on the other hand may provide your vehicle’s critical engine parts with an extra layer of protection, however, they might face the problem of poor ignition under low temperatures. The Infiniti G35 has a recommended oil viscosity of 5W-30. However, if one is operating the vehicle under certain conditions not suitable for the same, a higher viscosity might be the way to go. 

The Oil Type

The oil type is another important aspect one needs to wrap one head around before making a decision. It is important to know that there are 3 major oil types available in the market. They are conventional oils, synthetic blend oils, and full synthetic oils. 

The fully synthetic oil has additive detergents which aid in enhancing the performance of the vehicle whereas the conventional oil type may not have those benefits and therefore choosing the wrong oil for your vehicle can lead to a deteriorated performance. The Infiniti G35 recommends the usage of Full Synthetic Motor Oils for best performance. In certain cases, however, synthetic blend motor oils might also make the cut.

The Engine Performance

The engine performance depends upon a variety of factors and cannot be pinpointed to a single aspect. For instance, a thinner oil type will suit someone who has to operate their vehicle under cold weather and someone who uses their vehicle under extreme temperatures and conditions will prefer a thicker oil type.

The Additional Features

If you’re still confused about which product to choose for your vehicle, perhaps paying close attention to the additional features a product has will help you in making a final decision. Hypothetically if someone’s vehicle faces the problem of faster oil burning, choosing a product that is specialized in combating that problem would be the perfect option.

Frequently Asked Questions

The oil viscosity of Infiniti G35 is 5W-30.

The recommended oil type for Infiniti G35 is the synthetic oil type.

The Infiniti G35 requires 5.4 Quarts of motor oil.

The Infiniti G35 recommends using either Castrol or Mobil 1.

The oil should be changed every 7,500 – 10,000 miles using a full synthetic oil type. However, if you are using a synthetic blend or conventional motor oil, oil changes will be more frequent at around 3,500 miles.

The Verdict

The recommended oil type for the Infiniti G35 engine is a full synthetic or synthetic blend oil type with a viscosity of 5W-30. The recommended products are the Mobil 1 5W-30 ESP Synthetic Motor Oil or the Castrol Edge 5W-30 C3 Advanced Full Synthetic Motor Oil. One can also use the Castrol GTX 5W-30 High Mileage Motor Oil. Eventually, the final call depends on the conditions the vehicle undergoes, the budget, and most importantly, the decision of the owner.

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