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Best Motor Oils of 2024

Motor oils are used to lubricate and protect the moving parts of an engine. They are typically made from a blend of base oils and additives and can be classified by their viscosity, or thickness, as well as their performance level. Buying Guide

35k+ reviews analysed

Updated on Jun 19, 2024

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Top Recommendations
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Castrol GTX Full Synthetic 0W-20 Motor Oil, 5 Quart Jug

Feedback: 99% positive
engine compatibility, cold-start performance, oil change interval

After driving 100 miles since changing the oil, I noticed an instant improvement in fuel economy and car performance.

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Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quart Jug

Feedback: 98% positive
engine compatibility, cold-start performance, oil change interval

I used the oil in my hydrostatic mower transmission and found that it required more zinc than other 20w50 oils specifically for hydrostatic transmissions.

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Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil

Feedback: 96% positive
engine compatibility, cold-start performance, oil change interval

I have seen the results of this oil over a long period of time while using it in diesel engines from 7.3 powerstroke to 6.6 duramax. This oil will exceed all the needs for diesel engines.

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STIHL 0781 313 8002 2.6 Ounce High Performance Ultra 2 Cycle Engine Oil

Feedback: 93% positive
engine compatibility, cold-start performance, oil change interval

The saws start every time and don't overheat even when cutting on hot summer days.

Top picks for Engine compatibility
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Feedback: 99% positive
engine compatibility, cold-start performance, oil change interval

I used the oil in my hydrostatic mower transmission and found that it required more zinc than other 20w50 oils specifically for hydrostatic transmissions.

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Feedback: 95% positive
engine compatibility, cold-start performance, oil change interval

The oil is compatible with my Briggs & Stratton small engine and will last for the next 5 seasons.

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Feedback: 95% positive
engine compatibility, cold-start performance, oil change interval

I have been using this motor oil with each oil change and BG 44k twice a year, and I have not had any engine issues for over a decade now.

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Feedback: 93% positive
engine compatibility, cold-start performance, oil change interval

I have seen the results of this oil over a long period of time while using it in diesel engines from 7.3 powerstroke to 6.6 duramax. This oil will exceed all the needs for diesel engines.

Top picks for Cold-start performance
Top picks for Oil change interval
Top picks for Fuel efficiency

Buying Guide for Motor Oils

Motor oils are used to lubricate and protect the moving parts of an engine. They are typically made from a blend of base oils and additives and can be classified by their viscosity, or thickness, as well as their performance level. The most common viscosities for motor oils are 5W, 10W, and 20W. The W stands for winter and refers to the oil's ability to flow at low temperatures. The lower the number, the easier it is for the oil to flow.

There are also motor oils available with different performance levels. Some motor oils are designed for high-performance engines, while others are designed for more standard engines. Explore our wide range of motor oils to find the best options for you.

Benefits of Motor Oils

Prevents Damage

Engine lubrication, cleaning, and wear protection are all functions of motor oils. Petroleum-based base oils and other additives that contribute to the performance characteristics of the oil are commonly found in modern motor oils.

Keeps Everything Lubricated

By lowering friction and engine part wear, motor oils maintain lubrication throughout the entire system. As a result, the engine's lifespan and effectiveness are increased.

Reduces Friction

By lubricating an engine's moving parts, motor oils improve the reduction of friction. As a result, the engine may operate more smoothly and effectively. By lubricating the moving elements of the engine, motor oils help to reduce friction.

Keeps Everything Clean

By lubricating the engine and avoiding the accumulation of dirt and debris, motor oils contribute to the cleanliness of everything and by minimizing the number of deposits that might amass over time, motor oils are made to assist keep the engine clean.

Factors to Consider before Buying

Motor Oil Type

There are several reasons why the motor oil you choose for your car matters. You will want a particular viscosity of motor oil depending on the sort of engine you have. The thickness of the oil is important since too thin won't give your engine the protection it needs, while too thick oil may cause friction and improper flow.

Motor Oil viscosity

A number of the characteristics of motor oil are crucial to the safe and effective operation of an engine. Viscosity is one of these characteristics. Viscosity is a gauge of an oil's flow and shear resistance. Oil is thicker and flows more slowly the higher the viscosity.

Brand

Brand is one of the most important things to consider while buying motor oil. It is important to select a brand that is trusted and offers a good quality product. There are many different brands of motor oil on the market, so it is important to do some research to find the best one for your needs.

Budget

Budget is always a concern while shopping for motor oils. The less expensive oils may not provide the same level of protection as the more expensive ones. However, there are some good-quality oils available at a lower price.

Conclusion

Motor oils are a type of oil used in internal combustion engines. Motor oils are classified into different grades based on their viscosity and quality. These oils are responsible for lubricating the engine, reducing friction, cooling the engine, and keeping it clean There are different types of motor oils available on the market, and each type has its own benefits and drawbacks. When choosing a motor oil, it is important to consider the type of engine you have, the climate you live in, and your driving habits.

We review and recommend leading products based on design, performance, money value, and ease of use. After reading hundreds of reviews, we recommend top motor oils.

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