Best Synthetic Oil for 5.7 Hemi: Top 7 for 2021

In a hurry? Here is our list of top 7:

When it comes to cars, we all know the importance of changing our oil regularly. Whether we enjoy car maintenance or not, regular oil changes keep our engine functioning as it should. 

In recent years, synthetic oil has become a popular option to maintain your engine. This applies to your 5.7 Hemi!

But with so many oils on the market and range in price, it can be challenging to know which is the best synthetic oil for your 5.7 Hemi. 

But luckily for you, that’s where we come in to save the day! We have scoured the market and are proud to bring you the 7 best synthetic oils for 5.7 Hemi.

We have paired these with a handy buyer’s guide and FAQ section so that you can leave here today a synthetic oil expert!

Just keep reading to find the best synthetic oil for your 5.7 Hemi! 

In a hurry? Check out our top pick to grab your oil and go! 

7 Best Synthetic Oil for 5.7 Hemi

1. Valvoline – 881147 EA Advanced Full Synthetic SAE Motor Oil

For those after an affordable synthetic oil that doesn’t compromise quality, Valvoline has the one for you! The formulation is suitable for a range of engines, including aspired, turbocharged, and supercharged engines!

It works best with gasoline engines, but be sure to check the compatibility before purchasing! The oil works to create superior efficiency that beats its competitors! 

You get some great additives in this synthetic oil too! It comes with highly durable and anti-wear additives to ensure the longevity of your engine. It also works to prevent your engine from general wear, overheating, and deposits! 

The oil can work well in any adverse condition, so you never need to worry about the temperature! It also has incredible heat resistance, so the weather will never be an issue!

Customers found that it worked well to retain the engine’s cleanliness and improve its mileage thanks to improving their acceleration. 

The oil boasts a 5W-20 viscosity, which offers quick and protective lubrication for engine parts. It also meets the API SN Plus classification and works to protect Low-Speedmix Pre-Ignition (LSPI). 

Some customers found the oil a little challenging to pour directly from the bottle. While it features anti-glug technology and precision pour spout, some customers reported issues of leaking bottles.

Be sure to take care when filling your oil. You can always decant the oil into another bottle if you are concerned about leaks. 

Customers loved this oil, with many considering it the best on the market. They praised its performance, especially in adverse weather conditions. Along with use in a 5.7 Hemi, one customer used it in their snow blower and found it performed brilliantly in the snow too! 

While it is not the best choice for those with turbo engines, Valvoline’s oil is a brilliant option for those after improved acceleration and protection from sludge in all weathers!

Pros	Cons
Affordable	Some customers found it difficult to pour from the bottle.
Helps improve acceleration
Moderate viscosity
Good compatibility with gas engines
Protects well against sludge and varnish

More time to browse? Check out our other great recommendations below! 

2. AmazonBasics Full Synthetic Motor Oil 5W-20

If you are after fantastic value for money, AmazonBasics synthetic oil is the one for you! The oil is fully synthetic oil and is an excellent option for your 5.7 Hemi! 

The oil boasts longer drain intervals, which offer engine protective characteristics. The synthetic oil provides resistance to corrosion and rust and reduces exhaust emissions and thermal breakdowns!

AmazonBasics oil comes with 5W-20 viscosity to ensure excellent lubrication consistently! The lubrication protects the movable parts, increasing the longevity of your engine! After all, who wants the cost of replacing an engine? 

The formula is high-end and enjoyed by customers. They especially enjoyed the fuel economy that the oil brought to their vehicles. Many cited excellent fuel economy, which allowed them to save money in the long term. 

The oil works well in the most adverse conditions to deliver less friction, wear and tear, and deposit to provide a clean engine that will waste and use less fuel.

It creates a protective coating that lubricates moving parts for low friction performance. It reduces the wear of your engine components for extended use. 

Some customers did note that there was no visibility strip. The lack of strip does not outweigh its fantastic qualities and is one to consider when purchasing. Other than this, customers were extremely impressed with this oil! 

If improved efficiency and resistance to breakdowns are features you want from your synthetic oil, then why not give AmazonBasics a whirl? 

Pros	Cons
Affordable	No visibility strip
Good resistance to breakdown
Low maintenance
Increased efficiency
Excellent protection for your engine

3. Castrol 03083 Edge 5W-20 Advanced Full Synthetic Motor Oil

Another fantastic option for those after an affordable oil is this one from Castrol! Castrol is an incredibly popular brand known for high-quality oils that perform brilliantly.

They are good at what they do, which is why there is more than one Castrol oil included today!

The fully synthetic oil provides a premium oil to your vehicle that comes with many benefits! 

The oil provides titanium strength that can enhance your engine for maximum performance. Castrol’s oil works to reduce metal-to-metal contact across a range of driving speeds. This will help to protect your engine and increase its longevity. 

Castrol’s oil protects the engine from drain intervals, even under pressure! It consistently performs well to deliver results that customers love! The oil is compatible with a range of vehicles, so you should have no trouble with your 5.7L Hemi! 

The synthetic oil also works to reduce engine deposit formations, which helps maximize your engine’s response! Customers found that the formula was responsive quickly, allowing them to see an improvement in their engine’s performance quickly. 

Some customers did note that they found the oil to be a little dirty after the first oil change. This was not a widely reported issue, but one worth noting. Be sure to check your oil before and after changing and consult a mechanic if you are concerned. 

Overall, customers loved this synthetic oil. They found it helped offer a quieter drive compared to other synthetic oils. In particular, one customer loved how the oil sat on the components, so even if he did not drive for a few days, the metal was lubricated, ready for start up again. 

If you are after an excellent synthetic oil that is responsive and will enhance your engine’s performance, then Castrol has the oil for you! 

Pros	Cons
Affordable	Some customers found the oil dirty after the first change.
Full synthetic oil
Enhances your engine’s performance
Reduces metal-to-metal contact
Responsive formula

4. Mobil 1 5W-20 High Mileage Advanced Full Synthetic Motor

For those after a reasonably priced full synthetic oi, Mobil has an excellent oil for you! The oil features great additives that will keep your engine running like new! 

The oil works to provide protection against wear and tear that can reduce the performance of your engine. Teamed with its incredible cleaning power, your engine will run beautifully! 

The oil also works to reduce deposits and sludge to increase the longevity of your engine. It also works to protect your engine, and when driving, you should notice a difference. 

Mobil 1’s oil is designed with high-mileage cars in mind to protect them on your longer journeys. It is, however, not suitable for turbo or supercharged vehicles. If you have made any adjustments to your engine, you will need to check if this oil will be compatible or not. 

Customers praised the oil for delivering extended protection to their engines. They found that they could drive for longer without needing to change the oil, with some customers able to drive for 19,000 miles before needing to change their oil!

That is some serious longevity! Customers found that the engine ran smoothly, with some finding the engine quieter than conventional oil! 

For those after a reasonably priced oil that will keep your engine clean and prevent leaks, then Mobil 1 is the oil for you! 

Pros	Cons
Reasonably priced	Not suitable for turbo or supercharged cars
Excellent cleaning power
Protects the parts in high mileage engines
Keeps your engine running as new
Includes a seal conditioner to prevent leaks

5. Pennzoil Platinum High Mileage Full Synthetic 5w-30 Motor Oil 

If your car already has high mileage, then Pennzoil has the oil for you! The fully synthetic oil has great additives that are sure to enhance your engine’s performance at an affordable price. 

The oil is best used for those whose vehicles have already got 75,000 miles or more on the clock. The oil uses Pennzoil’s revolutionary purePlus gas-to-liquid technology and its additives to deliver excellent results. 

To ensure your engine performs as it should, Pennzoil’s oil keeps your pistons cleaner than the industry standard requires! By removing any deposits, your engine can work at maximum performance for a clean and satisfying drive. 

These results include protection against the impact of low-speed pre-ignition (LSPI) that is common in modern turbocharged vehicles. Unlike other oils, Pennzoil’s oil works well in turbo engines! 

The additives work to reduce leaks and oil burn-offs common in older engines or engines with cracked seals. This helps to improve the efficiency and performance of your engine too. 

What’s great about this oil is its weather protection. It is hard to find oil to beat this level of weather protection! The oil offers excellent protection from friction as well as outstanding protection from adverse weather conditions and temperatures. There is no need to worry when using this oil! 

Customers loved this oil’s quality, especially those with older cars with more miles on the clock. They found that it helped their engine maintain its condition without causing any leaks.

Customers also praised the additives in this oil to clear sludge in the engine and that the seal conditioner helped the engine run for longer without changing the oil. 

Although it may not be the best oil for cars with low mileage, you will be hard pressed for those high mileage older cars to find a better oil than Pennzoil! 

Pros	Cons
Great for high mileage cars	Not suitable for cars with a low mileage
Affordable
Combined with high-performative additives
Excellent weather protection
Works well in modern turbo engines

6. Castrol 03063 GTX MAGNATEC 5W-20 Full Synthetic Motor Oil

If effective and affordable oil is what you crave, then Castrol’s MAGNATEC oil is the one for you! It is a fantastic choice for your 5.7 Hemi, packed with excellent features to improve your driving experience!

The fully synthetic oil clings to reduce engine wear without getting drained while the engine warms up! The oil does this at a molecular level, using intelligent molecules to cling to critical parts of your engine.

Its smoothing technology works to smooth essential parts of the engine up to 4 times more than competing oils! The result is a safe, protective layer that will increase the longevity of your engine. 

The smoothing of critical parts allows the engine to work well in heavy traffic or making multiple short trips. You won’t need to worry about damaging your engine with stop/start motions in a heavy traffic jam! 

Featuring a 5W-20 viscosity, the oil prevents drainage when the engine starts up. We see not only a reduction in wear on the engine but an increase in how well the engine functions! 

Some customers noted that the formula of the oil seemed a little thin. This issue was not widely reported, but one to be aware of. 

Overall, customers were impressed with this oil. They praised its longevity and found it helped vehicles that had previously struggled to start up correctly. The warm-up of an engine could see wear decrease by up to 75%! 

If you are after oil that will add a fantastic layer of protection to your engine and reduce its wear, then Castrol’s MAGNATEC is the one for you! 

Pros	Cons
Affordable	Some customers found the oil a little thin.
Works to reduce engine wear
Smoothens critical engine parts (up to 4x)
Excellent viscosity
Full synthetic oil

7. Castrol 03107 GTX 5W-20 Conventional Motor Oil

We round today’s list off with another excellent option from Castrol! Their 03107 oil is a fully synthetic oil that features great additives to extend your engine’s life! 

At an affordable price, the oil features Castrol’s unique TriShield technology to provide superior deposit protection. 

The protection ensures the longevity of your engine and cleaner performance. Your 5.7 Hemi will have 45% more protection from unwanted sludge and buildup; that is pretty impressive, isn’t it?

The anti-wear additives enhance the engine’s performance. It makes any challenges your car faces on the road easier to handle.  Teamed with the resistance against 

viscosity and thermal breakdown, the oil can withstand high temperatures, so you won’t need to worry on blistering summer days! 

Its 5W-20 configuration exceeds the standards set by API SN and ILSAC GF-5 to provide you with peace of mind while using the oil. 

Customers found the oil excellent to use in their 5.7 Hemi. They found it eliminated new leaks and other damages such as blown seals or gasket failures. Reassuring for those of us who have mechanic induced anxiety! 

Some customers found the oil to be on the thin side. This issue was not widely reported but is a common complaint of Castrol’s oil as a brand. It is something to be aware of before making your purchase. 

If you are after oil that delivers industry-standard cleanliness while busting sludge in your engine, then  Castrol’s oil is the one for you! 

Pros	Cons
Affordable	The formula is on the thin side.
Excellent deposit protection
Extremely low friction
Extends the life of your engine
Can withstand heat and extreme weather conditions

Buyer’s Guide

Not too sure what to look for when it comes to synthetic oil for your 5.7 Hemi? Let our buyer’s guide help you there! 

Car Specifications

These days, cars have very sophisticated internal mechanisms that have specific requirements. You will need to consult the manual before making any changes or replacements. 

You will need to be careful, as some changes can void a company service. You can also cause damage to the engine if the wrong blend of oil is used.

Be sure to thoroughly read the manual to understand the requirements before using synthetic oil. 

Types

There are a  few different types of synthetic oils on the market, and you must select the right oil for you. You can choose between a fully synthetic, synthetic blend, or a high-mileage synthetic oil.

Be sure to check your car manual to ensure you select the right type of oil for your vehicle’s engine. 

Labels

Another critical step is to read the label thoroughly before purchasing the oil. The label will include the oil type, car suitability, and other vital specifications.

You will need to check the label to ensure that the oil is suitable for your car. 

You will need to check the suitability of the oil. Generally, synthetic oils are suitable for diesel and gasoline engines.

Be sure to check that your engine is compatible before purchasing. Carefully reading the label beforehand will avoid disappointment or any potential damage to your engine. 

Viscosity 

Viscosity is the direct measurement that reveals if the oil is thickening in line with the temperature. 

To get the viscosity, you will need to check the SAE weight. These are two well-defined numbers along W, which stands for winter.

The SAE weight comes in the form of XW-XX. The first X refers to the suitability of the oil during colder temperatures. The last two X’s refers to the usability of the oil at higher temperatures.

A lower value for the first X and a higher for the latter X’s provides more applicability. You must consider the viscosity when purchasing your synthetic oil, so you know it will be suitable in all temperatures. 

Additives

Additives tend to be problematic. While they can be beneficial, if there are too many additives in the oil, it can reduce efficiency.

A reduction in efficiency can impact your engine’s driving performance and lead to complications later down the line. 

To avoid this, it is best to opt for standard oils. Typical additives are anti-wear agents, dispersants, antioxidants, anti-foaming agents, corrosion inhibitors, and conditioners. When selecting an oil with additives, be sure there isn’t an overwhelming amount in the oil. 

How much?

When it comes to synthetic oil, the price can vary, leaving you wondering how much you should be spending on your oil. Remember that you don’t need to spend a fortune to get a good quality synthetic oil. 

Be sure to set a clear budget and stick to it as closely as possible to avoid any nasty surprises. When setting your budget, consider the materials you would like to use and how often the oil will need to be changed.

Remember that there is a synthetic oil to suit every budget, so you are sure to find the best option for yourself! 

Frequently Asked Questions 

Get your last-minute queries answered now! 

Why should I use synthetic oil?

Synthetic oils are often recommended for 5.7 Hemi by popular car manufacturers. There is a range of benefits that come with using synthetic oil in your engine. 

You get greater lubrication properties in synthetic oil that can enhance the longevity of your engine. The engine will also require fewer changes when using synthetic oil compared to standard oil. 

Synthetic oil also has a lower contact point friction. This allows an improved fuel economy, which can save you money in the long run. Synthetic oil also has an incredible heat resistance, which can help prevent accidental disintegration. 

All of these factors can significantly improve the longevity and condition of your engine. 

How much oil does my 5.7 Hemi need?

As a general rule, a 5.7 Hemi will need between 6-7 quarts of synthetic oil. There can be some variation here, so be sure to consult your manual if you are unsure.

You can also consult a professional if you require any further advice. 

Is there a difference between synthetic and synthetic blend oil? 

The main difference is that synthetic oil is a pure formula, whereas a synthetic blend contains more than one oil.

When purchasing your synthetic oil, consider whether you want to purchase a blend or purely synthetic oil. 

Here is a summary of our top 7 choices: