Best Oil For 5.7 Hemi

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Best Oil For 5.7 Hemi

Regular changing of oil is one of the most critical steps in automobile maintenance. While the 5.7 Hemi engine is the backbone of many vehicles, oil is what protects it and makes it run smoothly. Different vehicle engines have specific types of oil that are suitable for them, and making the right choice for your 5.7 Hemi engine is very important. Without knowing what to look for, it can be quite confusing to go through the many options available on the market. To help you choose the best oil for 5.7 Hemi, we have selected and reviewed some of the best quality options available on the market today.

5 Best Oil For 5.7 Hemi

Last update on 2022-07-06 at 12:23 / Affiliate links / Images from Amazon Product Advertising API

1. Castrol 03063 GTX MAGNATEC Full Synthetic Motor Oil

Key Features

  • 5W-20 Viscosity
  • 160 Fluid Ounces Volume
  • Fully Synthetic

The Castrol 03063 GTX MAGNETIC 5W-20 Full Synthetic Motor Oil has everything that’s needed to reduce wear in the engine considerably. Castrol is a well-known brand in the automotive world, and this is just one of their several engine oil offerings. This fully synthetic oil has a 5W-20 viscosity that makes for improved smoothness. In addition to this viscosity, the molecules cling to essential engine parts, even after it drains.

Another interesting fact about this Castrol engine oil is that it provides instantaneous protection at the engine startup and beyond. The protective layer it forms triggers safe engine performance, and this superior wear protection it offers makes it one of the best oil for high mileage 5.7 Hemi engines. Also, the lubricative effect has some positive effects on improving the fuel efficiency of vehicle engines. It is a relatively high-end product, but the cost is nothing compared to the value it offers. It’s definitely worth a shot.


  • It has a high viscosity
  • It is a fully synthetic oil
  • It considerably reduces wear and tear
  • Quick formation of the protective layer


  • The density is on the thin side

2. Mobil 1 Advanced Full Synthetic Motor Oil

Key Features

  • 5W-20 viscosity
  • Perfect For Gasoline Engines
  • Excellent Internal Engine Protection

The Mobil Advanced Full Synthetic Motor Oil is one of the best options when it comes to 5.7 Hemi engine oils. Impressively, this advanced formulation offers protection that can last for up to 10,000 miles to important engine parts by maintaining its excellent level of viscosity. The 5W-20 viscosity rating is perfect for a variety of temperature levels. It performs well in low winter temperatures, and this functionality is not compromised in high summer temperatures.

Another thing that impressed us is how well the oil handles extreme temperature conditions. It provides heat protection up to a high temperature of 500 degrees and a low temperature of -30 degrees. In a way, it increases fuel efficiency and engine life. In addition, the oil has the ability to prevent deposits from building up and damaging the engine. The formulation also meets ILSAC GF-6 standards to provide timing chain wear protection and ensure a much cleaner engine.


  • It prevents the build-up of sludge and deposits
  • It can be used in multi-valve gasoline engines
  • Additives for improved functionality


  • It is not the right oil for turbocharged engines

3. Pennzoil 550045202Full Synthetic Motor Oil

Key Features

  • Gas-to-Liquid PurePlus Technology
  • Excellent Sludge Protection
  • Horsepower Protection

The highlight of the Pennzoil Ultra Platinum Full Synthetic Motor Oil is that it is a synthetic formulation made from natural gas and not crude, like most motor oils. As a result, it offers the very best wear protection you can get from any motor oil. Sludge and deposit build-up is not an uncommon problem in motor engines, primarily when you use the wrong oil. Pennzoil Ultra oil keeps the pistons very clean, thereby ensuring maximum engine performance.  

Furthermore, it makes for improved fuel economy. With this oil, you can drive an extra 550 miles per year. Another negative effect of engine wear and deposit build-up is a loss of engine power. As it protects against these factors, it, in turn, protects against loss of engine power. Ultimately you want a motor oil with good temperature performance. The Pennzoil Ultra Platinum is formulated for faster oil flow at low temperatures and improved protection in extreme heat.


  • Excellent temperature performance
  • Improved fuel efficiency
  • Pure synthetic formulation


  • It is relatively expensive

4. Red Line 15205 5W20 Motor Oil

Key Features

  • 5W-20 Viscosity Grade
  • 128 Fluid Ounces
  • Cooling Additive

The Red Line 15205 Motor Oil is another highly recommended oil for dodge ram 1500 Hemi engines. Like all the other options included on our list, the 5W-20 viscosity grade is perfect for cold engine start, and it offers excellent protection at high temperatures for improved engine performance. Unlike many motor oils that rely on petroleum product additives, it makes use of a unique blend of ester base stocks to ensure stability at high temperatures and dependable film strength at lower temperatures.

While helping to maintain good engine performance, the oil also helps in keeping the engine noise at a low level. Quite interestingly, it is a very reasonably priced product that can be just as functional as many of the higher-end motor oils. Interestingly, the protections last for a relatively long time after draining.


  • Reduce engine noise
  • Excellent temperature performance
  • It is reasonably priced


  • Fluid level marks are not visible

5. Liqui Moly 2259 Special Synthetic Motor Oil

Key Features

  • Fully Synthetic
  • Wear and Corrosion Protection
  • 5W-20 Viscosity Grade

If you’re on the market for the best synthetic oil for ram 1500 Hemi engines, you should give the Liqui Moly 2259 a chance. One of the striking details of the formulation is that it is compatible with turbochargers and catalytic converters. The combination of a tested and proven synthesis technology with improved additives results in an oil formulation that is guaranteed to guard against engine wear and reduce oil and fuel consumption.

The combined effect of preventing oil breakdown and deposit build-up ensures an even longer vehicle service life. In addition, it is having a noticeable impact in making engines run smoother and quieter. Too many additives in motor oil are not the best, but with the right amount of oil additives, just like is contained in the Liqui Moly 2259, you can get more superior performance.


  • It ensures a longer service life
  • Compatible with turbochargers and catalytic converters
  • Excellent stability in both low and high temperatures


  • It is not the best option for older engines

What to Look For When Buying the Best Oil for 5.7 Hemi?

When choosing oil for your 5.7 Hemi engine, you want to select the best quality you can get. There are several good oil formulations available on the market, such that making the right selection can be quite overwhelming. Here are some features and factors that can help you make a more informed oil selection.

Oil Type

You’ll have to choose between a conventional or synthetic oil option. The labels usually carry information on vehicle compatibility, and you can likewise check the car manual for information on the right type of oil to buy. Synthetic oils are further broken down into fully synthetic, high-mileage synthetic, and synthetic blends.


Viscosity is a measure of the oil’s thickness, which varies with temperature, and it’s one of the most important things to consider when buying any oil for your 5.7 Hemi engine. Usually, the recommended viscosity for an engine is specified in the manual. For example, SAE 5W-20 is the perfect viscosity under all temperature conditions, but some 5.7 Hemis require other viscosities.


Many engine oils come with additional additives. In some cases, those additives can be beneficial, but when it comes to 5.7 Hemi engine oils, additives are not recommended. They can cause a significant reduction in oil efficiency and ultimately impact the engine’s performance negatively. Even if you have to choose an oil with additives, pick one with very low additives.


Like with most commodities, 5.7 Hemi engine oil prices vary depending on type or brand. For you, the most important thing to remember is that you don’t have to spend excessively to buy a good quality oil. Set a clear budget, and be sure not to exceed that budget when you’re out buying.

Also read: Best Oil Additive for Engine Knock

How Much Is 5.7 Hemi Engine Oil?

5.7 Hemi Engine oil can cost anything between $25 and $60 or more. The price varies according to oil type, brand, and quality. Nevertheless, you will always get a good quality option at an affordable price.

Also read: How Much Oil Does My Car Need?

Can I Mix Synthetic Oil With Regular Oil?

There is no great danger in mixing regular oil with synthetic oil. However, regular oil may slightly affect the otherwise superior performance of synthetic oil. This is because both oil types feature the same basic components, but the components used for synthetic oils are of higher quality.

When you don’t have any other option or in emergency situations, adding conventional oil to synthetic oil or vice versa is often a good way out. Another downside to mixing is that an oil change will be required earlier than usual.

Also read: What Happens If You Use 10w30 Instead Of 5w30?

How to Change 5.7 Hemi Engine Oil?

You should leave the oil changing to qualified professionals if you don’t have price experience or the right tools. However, if you’re sufficiently handy with the right set of tools, changing the oil in a 5.7 Hemi engine is not so hard.

  • The first step involves opening the drain plug with an adjustable wrench and draining out the old oil
  • After draining the oil, screw the drain plug back without over-tightening it
  • Next, remove the old oil filter using the filter wrench
  • Replace the drain plug and fill the new oil through the oil cap
  • Install the oil filter with the gasket after lubricating it
  • When you’re done with the oil changing, run the motor engine for about 10 minutes to allow the oil to circulate.
  • Check the oil level again and add more quantity if necessary.

Which Oil Is Better For 5.7 Hemi: Conventional Or Synthetic Oil?

When it comes to 5.7 Hemi engines, fully synthetic oil is the best. There are many ways synthetic oils trump regular motor oil for 5.7 Hemi. Firstly, synthetic oil has a much cleaner effect on the engine than conventional oils.

Also, it offers unsurpassed wear protection and horsepower protection. Lastly, it performs better than regular oil in extreme temperature conditions.

Frequently Asked Questions

1. Is there any difference between a fully synthetic and a synthetic blend oil?

There is a bit of a difference between fully synthetic motor oil and synthetic blend oil, although they both fall under the synthetic oil category. While fully synthetic oils are made with synthetic base stock that may or may not feature different additives, a synthetic blend oil is basically formulated by mixing regular motor oil with synthetic base stocks.

2. What are the types of synthetic oils?

While oil types are generally divided into synthetic and conventional, the synthetic category is further broken down into different types. Synthetic oils can either be fully synthetic or synthetic blends made from a mixture of synthetic and regular motor engine oil.

3. How Much Oil Does a Ram 1500/2500/3500 Take? The Ram 1500, 2500, and 3500 5.7 all have V8 5.7L engines, and they all take 7 quarts of oil.


If what you need is the best motor engine oil for your 5.7 Hemi engine, we have reviewed some of the best options available on the market. These oils are all synthetic, and you can expect a high level of wear protection, improved fuel economy, and fewer sludge and deposit build-ups. Additionally, we have talked about some of the essential things you need to know about 5.7 Hemi engine oils and some of the criteria to consider when buying engine oil for a 5.7 Hemi engine.

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