If you have a Jeep or Dodge vehicle with problems with fuel mileage, then the oil being used may be partly to blame.
Choosing the right type of oil for your vehicle is a must for improving performance and wear and tear. The market is riddled with options from tons of brands that claim to be the best.
But, with this list stating the best oils for 5.7 Hemi, you can be sure which brands are the ones to go for. You will be more than satisfied with any of the options from this article.
Table of Contents
- 1 6 Top Rated Motor Oils For 5.7 Hemi Engine Comparisons
- 1.1 1. Mobil 1 Advanced Full Synthetic Motor Oil
- 1.2 2. Pennzoil Ultra Platinum Full Synthetic Motor Oil
- 1.3 3. Valvoline Advanced Full Synthetic Motor Oil
- 1.4 4. AmazonBasics Full Synthetic Motor Oil
- 1.5 5. Castrol 03063 GTX MAGNATEC Fully Synthetic Motor Oil
- 1.6 6. Liqui Moly 2259 Special Tec AA Motor Oil
- 2 Frequently Asked Questions
- 3 Conclusion
6 Top Rated Motor Oils For 5.7 Hemi Engine Comparisons
| IMAGE | PRODUCT | EDITOR'S RATING | PRICE |
|---|---|---|---|
TOP PICK  | 9.7 | CHECK ON AMAZON | |
 | 9.5 | CHECK ON AMAZON | |
 | 9.1 | CHECK ON AMAZON | |
 | 8.8 | CHECK ON AMAZON | |
BEST BUDGET  | 8.6 | CHECK ON AMAZON | |
 | 8.2 | CHECK ON AMAZON |
1. Mobil 1 Advanced Full Synthetic Motor Oil
Arriving in the first place, with more than 6000 solid five-star ratings, is the motor oil by the brand Mobil 1.
This is not the only option provided by the brand. You can choose from extended performance, high mileage, and an option with a combination of both for your vehicle.
But let’s focus on the synthetic one during this article. The brand states that this one can protect the engine and its parts for up to 10000 miles.
For 10000 miles, you won’t have to worry about performance loss or too much wear and tear on the engine.
The oil also reduces the risk of the parts oxidizing, or more commonly known as rusting, to prevent a breakdown. Being synthetic oil, it has some advantages over conventional oil.
One of the major ones is that it efficiently transfers heat from hot engine parts to ensure they operate at optimum temperatures.
As expected, with a product from a high-end oil brand, they mention the standards this oil passes.
The most important of them all is the ILSAC GF-6 which deems the oil suitable to keep the engine clean and protect the engine but also helps in reducing low-speed pre-ignition or LSPI.
Moreover, the oil can also work in extreme temperature environments.
However, no matter the amount of heat produced by the engine, there is a rare chance that it will ever touch the 500˚F mark.
Yes, that’s the maximum tolerance of this product. On the cool side, it can work in temperatures as low as -30˚F.
But that is most probably due to shipping mishaps, or else, it wouldn’t have been everyone’s recommendations.
- Fully synthetic
- Reduces oxidization in the engine
- Transfer heat efficiently
- High-temperature tolerances
- Passes the ILSAC GF-6 standard
- Maybe leaking on arrival
Mobil 1 has created a truly fascinating product. Buyers couldn’t have been happier with its performance, and it is the excellent oil available on the market.
2. Pennzoil Ultra Platinum Full Synthetic Motor Oil
Same as the case with the previous one, this Pennzoil Ultra Platinum Full Synthetic Motor Oil has more than 6000 five-star ratings, which already clearly states that it is an excellent option for vehicles with the 5.7 Hemi engine.
Unlike most of the options on the market, this one is made up of gas and not crude oil.
Pennzoil has applied their very own gas-to-liquid PurePlus patented technology in this product.
With this one, the brand claims that you can increase the per-year mileage of your vehicle by up to 550 miles. This is when compared to a dirty engine.
This is done by keeping the piston cleaner, and it passes the major tests such as the ILSAC GF-6 and Sequence IIIH piston deposit test.
In addition, you can be sure that it has been tested thoroughly to make sure it is suitable for everyday use. It is not only cleaner but also provides the engine with better wear protection.
According to the SAE-5W-30 wear test, this synthetic oil is the excellent one in reducing wear on the engine.
That is impressive, and it also means that your engine’s lifespan will be significantly improved compared with whatever you were using before.
The oil ensures your engine is running at top speeds. It reduces the chance of depositing deposits, which can clog it and prevent it from utilizing its full performance.
The consistent oil flow dissipates heat and works in cold environments, which can drop down to -40˚F.
Some others also reported silt in the oil which had collected at the bottom.
- Patented gas-to-liquid PurePlus technology
- Up to 550 annual mileage increase
- Top of the line in wear protection
- Can handle extreme temperatures
- Old bottles received
- Silt at the bottom
Although 99% of the buyers were content with their purchase, a few had problems.
But the chance of such things happening is extremely rare, and it should not be the deciding factor if you choose to buy this oil.
3. Valvoline Advanced Full Synthetic Motor Oil
In third place and with one of the highest number of ratings of all the products on this article is the synthetic motor oil by Valvoline.
This fully synthetic motor oil has a whopping 12000 ratings, most of them which are five-star. It has some pretty unique offerings, which you will appreciate too.
Designed for trucks and Jeeps pushed to their limits, this Valvoline oil will make sure they will work in the best way possible, with reduced engine temperatures and better engine life.
The manufacturer has used special anti-wear additives. They reduce wear by up to 40% more than the specified industry standards.
This greatly boosts the lifespan of the engine. The synthetic formula also helps in this by protecting it from the heat by up to ten times. That is truly impressive!
The brand has also used its special detergents, which reduce the risk of deposits in the engine’s lines.
These deposits restrict the flow, which in turn reduces the performance of the engine.
As a result, it is not able to utilize its horsepower fully. The antioxidants used in this one reduce the risk of rusting, which contaminates the oil and impacts the working of the engine.
To protect the vehicle’s engine, the oil has to work at extreme temperatures and protect it from rusting, as stated above.
To ensure it does all that, it has to pass a series of tests and be classified as API SP certified.
The certification is assurance that the oil will not be your concern if your engine has a breakdown.
They also received bottles with less than the advertised oil amount.
- Special detergents to reduce deposit formation
- Antioxidants to reduce the chance of rusting
- Works at extreme temperatures
- API SP certified
- Leaking during shipping
- Less than advertised oil amount
This product by Valvoline is an excellent product. If only they would have made their shipping and packing process a bit secure, then it would have been a no-hesitation buy.
4. AmazonBasics Full Synthetic Motor Oil
Brands do need to add more catchy words to their titles instead of generic ones.
This synthetic motor oil by AmazonBasics is the one that topples over Valvoline’s ratings. With exactly 18000 five stars, this one is an excellent choice to consider for various reasons.
Why AmazonBasics?
In one sentence, they have high quality and are priced super competitively. Even I was shocked when I read about Amazon making oil for engines.
But they managed to please thousands of buyers, which says a lot about the quality of the product.
As is expected from Amazon, they provide scarce details about their offerings, making opening the package a bit of a surprise.
But I managed to collect some information which will tell you if the oil is suitable for your vehicle’s engine or not.
The first thing the company writes is that the design of the oil ensures longer drain intervals.
Now, what is that?
The thought process that oil needs to be changed every 5000 miles is a thing of the past. This one, by Amazon, lasts considerably longer.
Major credits go to the wear and oxidation protection which makes it all possible.
Furthermore, the oil also efficiently dissipates heat, ensuring the smooth operation of the engine.
Finally, the less-viscosity design makes sure that the oil circulates through the engine easily, even when the temperatures get crazy low.
According to the manufacturer, this oil also has reduced exhaust emissions. This helps by reducing pollution, which is a major concern for all countries.
At least you can have the satisfaction knowing that you will have a considerably less impact by using this one.
In addition, they reported that the engine not only misfired but also started making knocking sounds.
- Long drain intervals
- Efficient heat dissipation
- Low viscosity
- Reduced exhaust emissions
- May cause engine problems
Although Amazon created a stunning product, it is not perfect. They should have tested it more thoroughly internally to ensure it will not damage the vehicle’s engines.
5. Castrol 03063 GTX MAGNATEC Fully Synthetic Motor Oil
Coming in fifth place is the motor oil by the brand Castrol.
With tens of thousands of buyers praising its performance, it will surely impress you. This motor oil is available in three options: ultra-clean, fully synthetic, and high mileage.
You can choose anyone you like, but we will focus on the ultraclean one, as there are plenty of synthetic options above.
Being one that protects the engine from wear, it is not made up of any synthetic materials. It is conventional oil that has some advantages over other types available on the market.
This ultra-clean oil aims to eliminate the problem of deposits in the pipeline. These deposits restrict the flow of oil, which in turn reduces performance and throttles its capability too.
Well, this TriShield technology makes sure that you won’t worry about such deposits anymore. The oil is also not vicious, ensuring a smooth transfer throughout the engine.
This is extremely useful for vehicles that are used in colder climates. The oil passes through the engine quickly and does not take a lot of time.
Combine that with the fact that this one reduces friction by a great amount. This ensures that the mileage will be increased and will be noticeable.
According to the brand itself, Magnatec provides six times better wear protection than other products on the market.
It takes the lead in this regard and has been tested using the API SP test. It has also gone under Sequence IV/A wear test, which backs up the brand’s claims.
Unfortunately, he was the only one who had to knock issues, which probably means that he received a bad bottle.
- Up to six times better wear protection
- Reduced friction
- Conventional oil
- Little to no deposits
- May make the engine knock
If your engine starts tapping or knocking on a rare occasion, then it may be that you have received the wrong product or one from a bad batch.
But, aside from this, more than 15000 people were content with their purchase, making it clear it is a popular choice among consumers.
6. Liqui Moly 2259 Special Tec AA Motor Oil
Finally, arriving at the sixth and final place is another synthetic motor oil, this time by Liqui Moly’s brand.
Consumers have clearly shown that they will buy synthetic options over all other ones. They know this type of oil is the excellent one.
With this 2259 oil, the number becomes six for all products that received a solid five-star rating from consumers.
With the least number of feedbacks, around 200, this oil is underrated. It has excellent performance resistance to aging.
It will work for a significantly longer time than other options on the market. It also is advertised to reduce fuel consumption.
This is a must for all oils, but it comes down to observe which one provides the best mileage gain over the previous oil.
The oil will also make sure to let your engine remain clean and deposit-free.
This extends the engine’s longevity and makes the oil usable for more time than other ones that don’t focus on cleanliness.
This product cannot only be mixed with oils from other brands; it is also compatible with turbochargers and catalytic converters.
The mixing helps in squeezing the maximum performance capable of being produced by the engine.
It does not affect turbochargers and converts means that you won’t have to sacrifice their performance to use this one. That makes it extremely convenient to use and handle.
- Miscible with other oils
- Compatible with turbochargers and catalytic converters
- Reduces fuel consumption
- Fewer feedbacks
This product not only has fewer ratings, but it also does not do much different than offerings provided by highly regarded brands such as Castrol and Mobil 1.
Nevertheless, it is still an excellent product which will satisfy you in the long run.
Frequently Asked Questions
Q1. How Much Oil Does A 5.7 Hemi Take?
It is pertinent to know the oil capacity of your engine to make sure you don’t overflow it by mistake.
The oil capacity is seven quarts, and it is recommended not to overfill the system. You can use the dipstick to check if the required oil level is reached.
Q2. Is Synthetic Oil Better Than Conventional Oil?
Yes, it is. The base oils used in synthetic oils is of much higher quality. They are also much cleaner and provide lesser wear.
As a result, synthetic oils are more stable, have lesser emissions, and make the engine less prone to rusting and corrosion. All of this significantly improves the lifespan of the vehicle.
Q3. Can I Mix Synthetic And Regular Oil?
This is a commonly asked question. Normally it is advised to avoid doing something like this because the chances are high that the mixture will do more harm than good.
But, when you scientifically look at them, the base oils are mostly the same, which means they can be mixed. This should be done only as a last resort.
Q4. Do Car Companies Recommend Synthetic Oils?
People were concerned that they might void their warranties if they used aftermarket oils instead of the ones provided by their respective vehicle manufacturers.
Of course, you don’t have to worry about that unless it is the source of issues or damage to the engine.
Conclusion
Choosing the right type of oil for your vehicle is a painstaking task.
You buy a product on the chance that it will not be compatible with your engine.
That is why I took on the task of compiling the best oils for 5.7 Hemi.
These six products are not only close to perfect, but they have also been highly recommended by 99% of the people who bought them.
But there can be only one winner and the crown goes to the synthetic oil by Mobil 1.
It is not only about the number of ratings; it’s about doing something that will please consumers. And Mobil 1 did all that with this superb product.
I am Tahir Azam, and I have been writing amazing articles for TaxiHack for as long as I can remember. I know everything that is to know when it comes to automobiles and is always on top of industry news and developments. While I am not an expert by any means, I pride myself on knowing the ins and outs of many different problems and, of course, their solutions. The articles on our website are some of the best and well-researched content that you will find, and I spend countless hours making sure this remains to be true. This is why I ask you to take your time out and read some of my articles, especially if you find a topic that resonates with you or is something you are looking into. This way, you will find the perfect mix of information and tips on your desired topic. Learn more about Tahir.
