5 Best 5w20 Oil - Reviews And Buying Guides [2021] - Car of Steel

5 Best 5w20 Oil – Reviews And Buying Guides [2021]

Best 5w20 Oil - Reviews

The 5W20 is an excellent multi-grade oil. This type of oil is perfect for cold temperatures. It can even protect the engine at a high temperature. The first letter “5” of this oil means that the viscosity grade is cold, and the second number “ 20 “ stands for the weight of the particular oil when it warms up inside the engine.

This type of oil meets the requirement of viscosity grade SAE-J300 for both 5W and 20. The W is for winter, which means your oil is fine for the whole year.

Everyone knows that synthetic oils are quite popular and are considered a better option for today’s car engines. Although there are a lot of brands available in the market, 5W20 is the most popular one of them.

If you live in a colder area, then these oils are a better choice for you because you need thinner oil that heats up quickly and flows smoothly.

The low viscosity of 5w20 oils creates less friction, which means that the engine parts such as pistons, crankshaft, and valve trains are moderately dragged.

You should bear in mind some considerations with the viscosity level of the oil, such as whether it is natural mineral oil or whether it is synthetic or whether it comes with additives.

Now, we are going to take a closer look at the best 5w20 oil that could be good for your vehicles. We will review several top quality synthetic oil that will highlight some points that will helpful for you to find the best oil.

Let’s take a closer look and find out your desired product:

Best 5w20 Oil Comparison Chart [2021]

5 Best 5w20 Oil Reviews [2021]

1. Castrol 03083 EDGE 5W-20 Advanced Full Synthetic Motor Oil, 5 Quart:

Castrol 03083 EDGE 5W-20 Advanced Full Synthetic Motor Oil, 5 Quart

About the item:

If you’re looking for the best 5W20 full synthetic oil for the engine of your car, then this Castrol deal will definitely be best for you.

It produces correct lubrication rates in different engine speeds and temperatures to cut metal to metal contact.

This oil is a fully synthetic advanced quality motor oil to give power under the extreme pressure of your vehicle’s engine. Castrol’s fluid titanium technology supports this feature.

It might be a perfect engine oil for high mileage vehicles.

It costs a little bit more than synthetic blending and mineral oils, but if you want your car to have an advanced and premium quality oil, you should check this one out.

This is the best Full Synthetic Motor Oil on our list that will increase the fuel economy of your vehicles.

Things you will like:

  1. Fully synthetic motor oil
  2. Offers fluid titanium technology
  3. Up to 3X stronger than competing oils
  4. improves fuel economy


  1. Relatively costly because it is fully synthetic
  2. No additives for high-mileage engines

Product information:

  • Brand: Castrol
  • Model: 03083
  • Item Weight: 9.3 pounds
  • Product Dimensions: 3.9 x 9.4 x 11.8 inches

2. Valvoline High Mileage with MaxLife Technology SAE 5W-20 Synthetic Blend Motor Oil 5 QT:

Valvoline High Mileage with MaxLife Technology SAE 5W-20 Synthetic Blend Motor Oil 5 QT

About the item:

It is ideal for use in older vehicles and engines because it contributes to improving engine efficiency. The first motor oil is formulated especially for the unique requirements of more extended mileage engines.

Valvoline MaxLife is a mixture of conventional synthetic and conventional base stocks. This oil is a perfect choice if your car has more than 75,000 miles, and you need to use something to protect your engine from failure.

Not only that, but it also contains additional ingredients such as seal conditioners that help to keep safe from potential oil leaks by rejuvenating the seals on your engine. you will also hear about it on our synthetic engine oil reviews.

Synthetic motor oil is also essential to keep your engine clean, like other detergents, with better ingredients in the oil. It offers you better wear protection and reduces friction.

MaxLife also contains antioxidants that have a vital role to play to prevent oil collapse.

Things you will like:

  • Ideal for higher mileage cars
  • Keeps engine clean
  • Protect from potential oil leaks
  • Affordable price
  • It has anti-wear additives this is a great advantage of this oil


  • You can use under 100000 MILES

Product information:

  • Brand: Valvoline
  • Model: 782253
  • Item Weight: 9 pounds
  • Product Dimensions: 8.5 x 5 x 13 inches

3. Royal Purple 36520-6PK HPS 5W-20 Synthetic Motor Oil with Synerlec Additive Technology – 1 qt. (Case of 6):

Royal Purple 36520-6PK HPS 5W-20 Synthetic Motor Oil with Synerlec Additive Technology - 1 qt. (Case of 6)

About the item:

The Royal Purple 36520-6PK is a fully synthetic 5W20 engine oil. Different oil formulations offer various advantages for different types of vehicles. This Royal Purple offers a unique design for modified engines.

This offers optimum wear safety, maximizes torque and horsepower, and provides the best protection for all types of engines. In other words, this is a street oil engine, so it is not recommended to use it in still-guaranteed automobiles.

It will last longer than any conventional oil.

It also merely responds with more viscosity under high pressures. The formula includes the additive technology plus anti-wear additives in zinc and phosphorus. That’s why it is one of the best High-Performance Engine 5W20 Oils. You will even find it on the synthetic oil for ford 6.7 diesel reviews article.

This synthetic engine oil is really good oil for high-performance cars.

Things you will like:

  1. Increase the engine’s performance
  2. Wear and corrosion protection
  3. Perfect oil for modified engines
  4. Offers in a case of six 1-quart bottles


  • Not recommended for guaranteed cars
  • It’s costly, and you should compare it with other products before taking the final decision

Product information:

  • Brand: Royal Purple
  • Model: 36520-6PK
  • Item Weight: 2 pounds
  • Product Dimensions: 4.2 inches x 1.8 x 8.8 inches

4. Pennzoil Ultra Platinum Full Synthetic 5W-20 Motor Oil (1-Quart, Single Pack):

Pennzoil Ultra Platinum Full Synthetic 5W-20 Motor Oil (1-Quart, Single Pack)

About the item:

The Pennzoil Ultra Platinum is another excellent full synthetic 5W20 motor oil. It works in different circumstances, and Pennzoil is another well-known brand for a good reason.

Their oil is unique because it uses gas-to-liquid technology from PurePlus and high-performance additives to keep their oil running at all temperatures.

It also keeps high-performance and luxury vehicles as close as you can to factory clean for your engine. The process also offers oil consistency so that it does not burn off, and keeps the seals running correctly so that your car has no oil leakage.

This oil helps to keep your pistons nice and clean.

It can even be used in modern motors or ancient motors. Pennzoil ultra-premium could be just what you’re looking for if you’re looking to pour an all-around good synthetic oil. This oil lasts longer than other oil.

Things you will like:

  1. The apply PurePlus gas-to-liquid technology
  2. Suitable for all temperature
  3. It offers better additives
  4. Ideal for modern motors or ancient motors
  5. Excellent Temperature Performance


  • None

Product information:

  • Brand: Pennzoil
  • Model: 550040863
  • Item Weight: 0.16 ounces
  • Package Dimensions: 8.7 x 4.2 x 2.5 inches

5. Valvoline Advanced Full Synthetic SAE 5W-20 Motor Oil 5 QT:

Valvoline Advanced Full Synthetic SAE 5W-20 Motor Oil 5 QT

About the item:

This is also a great oil, but it doesn’t have all the features that the high mileage has. It has some excellent features that you will like. The first is that it is fully refined, which means it will last longer than the previous oil.

So you can use it in your new motor vehicles without any loss. This oil additionally helps to maintain fuel efficiency by keeping everything running at optimum performance.

This oil works exceptionally in conditions of hot hard-driving, but in cold conditions, it also works great. Which ensures your engine is safe at any temperatures.

It also provides excellent protection for sludge and varnish. It means that while using this oil, you won’t need to worry about building a gunk in your engine.

Things you will like:

  • Excellent engine cleanliness
  • Good sludge and varnish protection
  • Outstanding high-temperature protection
  • Perfect cold-temperature protection


  • This is not perfect for high mileage

Product information:

  • Brand: Valvoline
  • Model: 787023
  • Item Weight: 9.46 pounds
  • Product Dimensions: 8.2 x 4.6 x 12.7 inches

You may also consider these oil:

  • Mobil 1 120763 Synthetic Motor Oil 5W-20, 5 Quart
  • AmazonBasics Conventional Motor Oil – 5W-30 – 5 Quart
  • Quaker State 550044965 Advanced Durability 5W-20 Motor Oil (SN/GF-5), 5 quart
  • AmazonBasics Full Synthetic Motor Oil – 5W-20 – 5 Quart

Buying Guide of 5w20 oil:

Before purchasing 5W20 oil, you should be aware of some important factors that make up the overall quality of the fuel you get. All 5W20 oil is not the same, even if they have equal viscosity.

That’s why you need to consider some significant issues that ensure the good quality of the oil.

Oil Weight:

The weight of the oil is an important issue that you should know. This is because the weight of the oil knows how thick it is.

You have to see the density of the oil. That is, it shows how well the oil flows at a given operating temperature.

The lighter oil flows more quickly, but before breaking down, it can also absorb less heat. That’s why you need to get what the manual of your car suggests because different vehicle models imply different requirements.


The power and viscosity levels of various motors vary from manufacturer to manufacturer. If you use oil that is too thick for a small engine, it may slow it down, cut its power output, or make unwanted fuel efficiency.

On the other hand, if you use too-thin oil for a heavy-duty engine, you will face lubrication problems.

What is the solution? Each vehicle has its required viscosity. So before buying a 5W20 oil, check recommended engine oil for your truck, also check the viscosity and other factors.


The additive is an additional compound applied to the engine oil to give it some essential characteristics. The most common feature of addictive it includes detergents.

It helps to keep the engine clean, anti-wear additives, and improve viscosity. Only an additive that makes sense to your car’s engine should be used in the engine.

Additives are just a secondary characteristic of motor oils, and can even bad effect on a healthy engine.

Oil Type:

Types of oil are another crucial point before selecting an oil for your car. There are several types of engine oil available. You have to a clear concept of the oil types that are suitable for your vehicle.

Mineral Oil:

This is automotive engine oil originating from crude oil. It can undergo various levels of refining to get rid of undesirable compounds, producing standard and premium oils of varying quality and price.

Full Synthetic Oil:

Typically, these types of oils are recommended for luxury and high-performance car engines. Their downside is that they are expensive and so the majority of people tend to shy away.

Synthetic Blend Oil:

This type of oil combines mineral oils with synthetic oils to produce a blend that provides better protection at higher temperatures at lower costs for heavier loads.

Synthetic blend oils are familiar for pickup and truck engines that take advantage of synthetic oil features under lower price than full synthetics.

High-Mileage Oil:

These days, vehicles are lasting longer, and most cars have driven 75,000 miles on their odometers. High mileage oil is designed for such types of vehicles.

Conventional vs. Synthetic oil:

In a word, synthetic oil is artificial oils, while conventional oils are natural. Usually, synthetic oil is better because it has fewer impurities than conventional oil.

Synthetic oil also performs better and longer. Most conventional oils need to change after 5000 miles, but synthetic capabilities ranging from 10,000 to 15,000.

Final Verdict:

You have to find out which 5w20 synthetic motor oil is the most appropriate for your vehicle based on your engine behavior, motor age, and the environment in which you stay.

Finally, you know about the top 5 5W20 oil. You can pick any product from our list. If you deeply research the internet market place, you will notice that our listed product is the best in today’s market.