Oil is essential to keep the engine performance always high, in fact, it lubricates all its components, protecting them from the wear they might incur. The 5w30 engine oil also allows you to keep them always clean and to limit the appearance of residues and also protects the engine, not only from wear but also from corrosion.
Synthetic, semi-synthetic, and mineral oils are commercially available. Generally speaking, we can say that the ideal motor oils for cars are synthetic ones. Having said that, however, it is natural to ask which oil is preferable to choose. The question arises spontaneously given the numerous wordings on the packages for sale that are almost understandable for most people who have no experience in the sector.
Best 5w30 Synthetic Oil
Among the absolute best versions, we must certainly remember the 5w30 engine oil, a multigrade oil that allows obtaining an excellent viscosity both in summer and in winter. Let’s see below which brands we recommend buying and which offer a high-quality product.
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Best 5w30 Synthetic Oil | Comparison Table 2021
| Image | Title | Buy | |
|---|---|---|---|
| Mobil 1 Extended Performance Full Synthetic Motor Oil 5W-30, 5 Quart | Mobil 1 | Check Price | |
| Castrol 03057 GTX MAGNATEC 5W-30 Full Synthetic Motor Oil, Green, 5 Quart | Castrol | Check Price | |
| Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT | Valvoline | Check Price | |
| Castrol 03084C Edge 5W-30 Advanced Full Synthetic Motor Oil, 5 Quart | Castrol | Check Price | |
| Generac Full Synthetic Motor Oil 5W-30 SN Quart Bottle Part# 0J5140 (qt) | Generac | Check Price | |
| Briggs & Stratton SAE 5W-30 Synthetic Small Engine Motor Oil - 32 Oz. 100074 | Briggs & Stratton | Check Price | |
| Valvoline High Mileage with MaxLife Technology SAE 5W-30 Synthetic Blend Motor Oil 5 QT | Valvoline | Check Price | |
| Pennzoil Platinum Full Synthetic 5W-30 Motor Oil (1-Quart, Single) | Pennzoil | Check Price | |
| Amazon Basics High Mileage Motor Oil, Full Synthetic, SN Plus, dexos1-Gen2, 5W-30, 5 Quart | Amazon Basics | Check Price |
Prices and images pulled from the Amazon Product Advertising API on:
Best 5w30 Synthetic Oil | 2021 Products Overview
1. Mobil 1 Synthetic Motor Oil
- Mobil 1 Extended Performance full synthetic motor oil 5W-30 helps to protect your engine from the five factors that can damage engines over time
- Helps to protect critical engine parts for up to 20,000 miles between oil changes*, controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
- Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
- Helps extend engine life by working to prevent damaging deposits and sludge buildup
- Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F)
2. Castrol 03057 GTX
- For best performance, follow the manufacturers recommendations in your vehicle owner’s manual.
- Dramatically reduce engine wear
- Leave critical engine parts 4X smoother. As tested in the industry Sequence IVA wear test
- Superior wear protection on critical engine parts
- Up to 75% of engine wear occurs during warm-up. Another severe driving condition is stop and go driving in heavy traffic. When idling on congested highways, loads on critical engine parts are at their peak.
- Castrol® GTX® MAGNATEC® is full synthetic with intelligent molecules that cling to critical engine parts forming an extra layer that protects from the start and throughout the entire drive cycle.
- In fact, the latest sequence IVA test proves that Castrol GTX MAGNATEC offers six times better wear protection than required by the industry standard test limit, making it an excellent choice for consumers who drive in heavy traffic, or take multiple short trips. Castrol GTX MAGNATEC.
3. Valvoline Advanced Full Synthetic
- Innovative anti-wear additives provide 50% more wear protection than industry standards as tested in the industry Sequence IVA wear test
- Full synthetic formula for exceptional high and low temperature protection
- Extra detergents help fight sludge and deposits
- Superior antioxidants resist motor oil breakdown in extreme conditions
- Valvoline Advanced Full Synthetic Motor Oil delivers advanced protection for hardworking cars, trucks and SUVs in the toughest conditions
- Designed with innovative additive technology, it’s specially formulated to fight severe engine stress from: stop & go driving, extreme temperatures, and hauling & towing.
- Valvoline Advanced Full Synthetic Motor Oil is proven to maximize engine life.
- Extra detergents help fight sludge and provide 25% better deposit protection than industry standards
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4. Castrol 03084C Edge 5W-30
- Advanced premium full synthetic motor oil to offer strength under extreme pressure
- Titanium strong for maximum engine performance
- Reduces metal-to-metal contact across a range of different driving speeds
- Protects the engine for the entire drain interval even under extreme pressure
- Decreases engine deposit formation to help maximize engine response
- Best full synthetic money can buy
- API SN, ILSAC GF-5, ACEA A1/B1, A5/B5, GM dexos1, Meets Ford WSS-M2C929-A, Ford WSS-M2C946-A, Honda HTO-06, Meets engine test requirements of Chrysler MS-6395
- Castrol EDGE is 3X stronger than Mobil 1 against viscosity breakdown* *Tested in the ASTM D6278 test in the 5W-30 viscosity grade.
5. Generac Full Synthetic Motor Oil
- Generac SYNTHETIC OEM Oil (1 Quart)
- Protects against the formation of sludge & varnish deposits
- High quality synthetic base fortified w/ an advanced additive
- Maximum protection against viscosity breakdown
- High quality synthetic base fortified w/ an advanced additive Longer Engine Life Maximum protection against viscosity breakdown Protects against the formation of sludge & varnish deposits
- Recommended for Use In All Gasoline Engines Exceeds API SN service classification requirement
6. Briggs & Stratton SAE 5W-30 Synthetic
- 100% Synthetic SAE 5W-30
- For Use In All Air Cooled 4-cycle Engines
- Genuine Briggs & Stratton 32 oz. bottle of high quality SAE 5W-30 detergent oil. Using Synthetic oil offers better wear control of your engine, even under severe operating conditions.
- Since synthetics have better inherent strength they have the ability to keep functioning at the highest level for the longest possible time.
- Synthetic Oil gives your engine better viscosity temperature response, better low temperature fluidity, better thermal stability better oxidation stability, lower volatility, better deposit control, and better wear control.
- This in return reduces risk of equipment failure, promotes trouble free operation, reduces maintenance costs, extends service life, and long term engine durability.
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7. Valvoline High Mileage
- Enhanced anti-wear additives deliver a thick & durable layer of anti-wear film to help prevent auto engine breakdown
- Added detergents help protect against sludge and deposits
- Premium seal conditioners help treat and prevent leaks
- Superior antioxidants resist motor oil breakdown in extreme conditions
- Valvoline High Mileage with MaxLife Technology Synthetic Blend Motor Oil is specially formulated to protect engines with over 75,000 miles.
- The proprietary formula protects against the four major causes of high mileage engine breakdown: wear, friction, heat and deposits
- It also features premium seal conditioners that rejuvenate aging seals to help treat and prevent leaks.
- Valvoline High Mileage with MaxLife Technology is proven to maximize engine life.
8. Pennzoil Platinum Full Synthetic
- Full synthetic 5W-30 engine oil made from made from natural gas, not crude, using Pennzoils patented gas-to-liquid PurePlus Technology
- Provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine)
- Pennzoil Platinum 5W-30 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results)
- No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30)
- Formulated to provide faster low-temperature oil flow and protection in extreme heat
- Helps protect engines from loss of power
- Single 1-quart bottle
- Pennzoil is the first motor oil made from natural gas, not crude—PurePlus Technology converts pure natural gas into high-quality, full-synthetic base oil thats crystal clear and contains fewer impurities than other traditional and synthetic motor oils
- Formulated for modern turbocharged engines—GF-6, API SP/SP-Resource Conserving and all previous categories
9. AmazonBasics High Mileage
- For best performance, follow the manufacturers recommendations in your vehicle owner’s manual.
- Ideal for engines over 75,000 miles and for longer drain intervals
- Helps prevent build up that can cause rust and corrosion
- Reduces friction for less engine wear
- High resistance to viscosity and thermal breakdown
- Helps reduce exhaust emissions
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Best 5w30 Synthetic Oil 2021 | Ultimate Buying Guide
Now that we have seen which are the best brands of 5w30 oil, below we are going to make a complete overview so that you can have all the answers on this type of product.
What does 5w30 oil mean?
The letter W stands for the English word winter, meaning winter. The figures before the W are those relating to the viscosity that the oil has at low temperatures, at -18 ° C. The lower these figures, the better the viscosity of the oil at low temperatures, an oil therefore suitable for the winter period. Consider that if the viscosity is low, it means that the oil remains fluid even when it is very cold, so as to favor a correct start of the engine, without any effort, so as to guarantee the circulation of the oil and impeccable lubrication of all its components. In this case, the viscosity in winter is 5, which is really excellent.
The digits after the W instead indicate the oil viscosity at high temperatures, 100 ° C. In this case, the viscosity is 30 at maximum effort. We must admit that motor oils with a higher viscosity in the summer are available, but 30 is an excellent value for the temperatures reached here in Italy.
Viscosity is certainly not the only important feature when choosing engine oil for your car. If you are looking for a good 5w30 engine oil , we, therefore, recommend that you also consider:
- Composition. There are synthetic oils and mineral oils on the market. The choice depends on the engine of your car. In fact, some engines can only work with synthetic oils. Others, however, with synthetic oils risk being damaged and it is therefore absolutely necessary to choose mineral oils. Obviously, it is important to check these elements in the registration document of your car.
- API and ACEA. These classifications allow us to understand the number of additives present in them, the ash content, and other similar characteristics. These are also elements to be taken into consideration depending on your engine, to always check in the car booklet.
- Car manufacturer approval. Car manufacturers put their engines through rigorous tests before putting cars on the market. Thanks to these tests, they are able to indicate which oils are best suited to respond correctly to the specific needs of that car. Precisely for this reason, it is good to check that the oil you are about to buy has been approved directly by the manufacturer.
From the considerations we have just had the opportunity to make, it is obvious that 5w30 motor oil should not actually be considered as an oil suitable exclusively for the winter period. It is in fact a multigrade oil, which works well at both low and high temperatures, both in winter and in summer. In short, it is the ideal oil to be used throughout the year.
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5w30 engine oil, most important features
The 5w30 engine oil allows obtaining a really excellent viscosity in the case of starting the engine at -30 ° C. It also allows you to get an equally excellent fluidity at -35 ° C . As for the kinematic viscosity, it ranges from a minimum of 9.3 and 12.5 mm2 / s. As far as the dynamic viscosity is concerned, we are in the order of 2.9 mPas.
Precisely for these characteristics, the 5w30 motor oil is able to be pumped flawlessly by the lubrication system, without any kind of difficulty even in the long run. In this way, all the elements that make up the power supply system are always kept clean. In this way, it is also possible to favor a correct cooling of all the components and to be able to avoid excessive fuel consumption.
Are there any negative characteristics that 5w30 motor oil possesses? In our opinion, this engine oil has one and only negative characteristic. When gaps are created between the friction pairs, this oil fails to fill them perfectly, thus making it possible to incur oil leaks.
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5w30 or 5w40 motor oil?
As we have just seen, the benefits of 5w30 motor oil are innumerable. It is also true, however, that this is certainly not the only multigrade engine oil available on the market. In fact, there is also 5w40 engine oil. Wouldn’t it be preferable to use this second product?
5w40 engine oil has very similar characteristics to 5w30 engine oil. Also in this case, in fact, the viscosity is excellent at -30 ° C and the fluidity at -35 ° C. The discourse is different as regards the kinematic and dynamic viscosity. In the case of the 5w40 engine oil, in fact, the kinematic viscosity ranges from 12.5 to 16.3 mm2 / s while the dynamic viscosity is equal to 3.5 mPas.
With this oil it is undoubtedly possible to eliminate the risk of oil leaks at the root , which instead are possible with 5w30 motor oil. This is because it produces a much thicker film , which is why it is also extremely resistant. The film fills without any difficulty the empty spaces that are created, so as to be able to work even with particularly important loads. This detail is extremely important for high-powered sports cars. However, it is also true that the engine could suffer in the long run.
If yours is a city car, avoid it unless you live in an area where the outside temperatures are very high . In this case the situation changes, because this is an oil that allows the engine to work at its best even when the conditions are extreme. But, let’s face it, here in Italy it is rather difficult for conditions of this type to be reached. In short, you don’t have to go and drive your car in the desert!
Best 5w30 Synthetic Oil | Video Explanation
Hi, I am David Bailey a dedicated writer from Linden Bridge School with a degree in mechanical engineering and a degree in marketing. I strive to simplify complex subjects and like to explain complex and technical matters in an easy-to-understand manner. Read More Here
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