10 Best 5w30 Synthetic Oil For High Mileage

One of the most important ways to keep your vehicle in good performance is changing motor oils at the right times and replacing it with the right type. One of the common types of motor oils is the 5W-30. Motor oils are made with two major ingredients which include additives and base oils. Different brands are offering a range of 5w30 oils, and it is becoming a challenge to choose the right one. Here is a guide on the best 5w30 synthetic oils and major factors to check when choosing engine oil.

One question people ask themselves is if synthetic oils are better for their vehicles compared to conventional motor oils. Synthetic oils are much better than conventional oils. This is because they are made with high-quality base oils. These oils will provide higher performance and more protection for the engine. Here is more information on if synthetic oils are ideal for use.

The Best 5w30 Synthetic Oils

Several reputable brands are offering 5w30 motor oils, and you may not know which one to buy. Different manufacturers formulate their oils differently, and they serve distinctive purposes. It is, therefore, crucial to check the specifications and formulations of the oils to see if they meet the set standards. The following are some of the best 5w30 oils from the most reputable brands.

01. Valvoline Advanced Full Synthetic Motor Oil 

Valvoline Advanced Full Synthetic

Valvoline Advanced is one of the best engine oil in the world today. The outstanding feature of this engine oil is its unique set of additives which helps in promoting engine protection through superior varnish and sludge protection. This motor oil provides superior high-temperature protection to the engine when driving under severe conditions.

This motor oil is made with a fast oil flow which also enables it to offer outstanding cold temperature protection when setting up the engine. It fights the three major causes of engine stress which include war, deposits, and heat. It is formulated with durable anti-wear additives which help the Valvoline Advanced Full Synthetic motor oil to serve you for longer.

Valvoline Advanced motor oil meets and even exceeds the set oil requirements set by GM dexos1 Gen 2. This, therefore, means that it is ideal for use by supercharged, turbocharged, and aspirated vehicles. Valvoline 5w30 motor oil is estimated to reduce engine wear and tear by 50% better than other oils in the market.

This Valvoline motor oil is made with Superior antioxidants which prevent it from breaking down even when put under extreme temperatures. It retains its dense structure even when put under heat, thus removing friction residues and preventing clogging. It also helps to optimize fuel consumption.

Highlighted Features

  • Provide 50% more wear protection
  • Ideal for working in extreme conditions
  • Made with a full synthetic formula
  • Have extra detergents to fight deposits and sludge
  • Formulated with innovative anti-wear additives

02. Castrol 03555 Edge Bio-Synthetic Motor Oil 

Advances in engine technology have resulted in increased efficiency and power. This means that the engines need to work harder and under more pressure than before. Castrol 03555 Edge Bio-Synthetic oil is among the best Castrol oil you will get. It is a strong 5w30 motor oil that protects engine components by reducing metal-to-metal contacts irrespective of the driving speed.

Castrol Edge Bio-Synthetic 5w30 motor oil is eco-engineered by combining the natural lubricating properties of plants with fluid Titanium technology. This oil is made with 25% plant-based oil. It is, therefore, not only titanium strong but also renewable. With this 5w30, you can be assured of maximum engine performance.

Castrol 03555 Edge Bio-Synthetic motor oil decreases the formation of engine deposits, thus maximizing engine response. This Castrol 5w30 oil protects your engine for the whole drain interval, even when exposed to extreme pressure. It is suitable for luxury, performance, sports, and modern vehicles which need high-level protection.

Highlighted Features

  • Reduce metal-to-metal contact
  • Protects the engine for the entire drain interval
  • It is eco-engineered
  • It is titanium-strong and renewable

03. Amazon Basics Full Synthetic Motor Oil 

Amazon Basics Full Synthetic is the best 5w30 oil for high-mileage vehicles. This oil should only be used on vehicles exceeding 75,000 miles. This motor oil is formulated for longer drain intervals. It helps in preventing a build-up on drain intervals and preventing rust and corrosion.

Amazon Basics 5w30 oil has a high resistance to thermal breakdown and viscosity. This Extra fuel Economy (EFE) lubricant is known for providing a perfect balance between protection and efficiency. The motor oil is a universal fit and meets all the demanding requirements of OEM manufacturers. Amazon Basics engine oil is recommended for use in Nissan, Subaru, Hyundai, Toyota, Kia, and Honda.

Highlighted Features

  • Provides wear protection
  • Has high-temperature resistance
  • It is an EFE lubricant
  • Meets OEM requirements
  • It is a universal fit

04. Mobil 1 (112799) Synthetic Motor Oil

mobil 5w30 full synthetic

Mobil 1 (112799) is advanced full synthetic motor oil made to help in extending the engine life of vehicles of all ages. So, is Mobil 1 good oil? This 5w30 motor oil is designed to offer outstanding engine protection from the different factors that lead to engine damage. It also offers protection to different critical engine parts with up to 10,000 miles between motor oil changes.

Mobil 1 (112799) motor oil has uniform synthetic oil molecules which help in reducing friction and preventing sludge and deposit build-up. The oil is formulated with advanced technology, thus providing suitable heat protection of up to 500 degrees Fahrenheit to the internal engine. It also helps in protecting the engine from a low temperature of up to 30 degrees Fahrenheit.

This Mobil 1 motor oil meets all the ILSAC GF-6 standards, which help in timing chain wear protection and provide low-speed pre-ignition. It is available in 5-qt. And 1-qt. Bottles. Mobil 1 5w30 motor oil helps in controlling oxidation which prevents oil breakdown. The oil is recommended for use in light trucks, light vans, diesel multi-valve fuel-injected engines, supercharged gasoline engines, and high-performance turbocharged vehicles.

Highlighted features

  • Prevents sludge and deposit build-ups
  • Outstanding overall lubrication
  • Greater engine wear protection
  • Better handling of extreme conditions
  • Offers quick cold-weather starting

05. Motul 8100 X-Clean Synthetic Oil

Motul 8100 X-Clean is great synthetic 5w30 oil that meets all the strict requirements of OEM manufacturers. It is well known for its high-temperature resistance and handling of wear and tear easily. It is specifically ideal for VWs, Mercedes, GMs, BMWs, Honda, Kia, Nissan, Subaru, and Hyundai models.

Motul 8100 X-Clean 5w30 is another great thing you will come to love about this oil. Its added fuel economy is due to its perfect efficiency and protection. It is lightweight and weighs 9.87 pounds. The lubricant also follows all the ACEA and API standards. It is made with high-temperature resistance and wear protection.

Highlighted Features

  • Maximum oil film at high temperatures
  • Cools down the engine and reduces friction
  • Resistant to old temperatures
  • Reduces oil consumption
  • Has a high sheer stability

06. Royal Purple 51530 High-Performance Motor Oil 

The best synthetic oil consumer reports have seen Royal Purple as an excellent 5w30 motor oil for high-performance vehicles. The oil is API has the current ILSAC and API licenses as well as GM Dexos 1 engine oil approval. It is formulated with enhanced addictive technology, which assists in preventing metal-to-metal contact beyond the ILSAC GF-5 and GM Dexos 1 specifications.

Royal Purple motor oil Protection has set very high standards for its low-viscosity motor oils. The oil has managed to maintain its track record by providing high performance under duress, even when working in the most demanding conditions. It is made with a proprietary blend of deposit, varnish, and sludge removers. This enables it to preserve and extend the life of engine parts for both older and new vehicles.

The Royal Purple 51530 synthetic oil features improved fuel compatibility which enables it to work with most ethanol-based fuels. With this 5w30 oil, you will note a significant change in oil change intervals and fuel efficiency. Royal Purple enables you to enjoy from 7500 to 10,000 miles between oil changes.

Highlighted Features

  • Prevents corrosion and wear
  • Helps in improving fuel efficiency
  • Effective in protecting catalytic emission system
  • Works with a variety of ethanol-based fuel
  • Provides high protection against LSPI

07. Shell Rotella – 550050319 Full Synthetic Motor Oil 

Shell Rotella Company is the first oil brand to formulate a complete portfolio of full synthetic oils for SUVs, gasoline-powered trucks, and diesel oil engines. This 5w30 motor oil is among the most heavy-duty engine oil with a strong heritage for offering protection to hard-working engines.

Shell Rotella 5w30 engine oil outperforms all the conventional motor oils in severe driving conditions, which includes extreme temperatures and stop-and-go driving. The oil is made with a unique formula to offer extreme protection for hauling and towing. It helps to keep the engine in a clean and good working condition by preventing a buildup of sludge and deposits.

This Shell Rotella engine oil has excellent lubricating qualities, thus providing maximum wear protection. The bottle comes in 5 quarts which might not be enough for most SUVs and trucks, but you can solve this by buying two bottles.

Highlighted Features

  • Ideal for both high mileage and new vehicles
  • Excellent wear protection
  • Protects engine in extreme temperatures
  • Prevents harmful engine deposits
  • Offers adequate protection when hauling and towing

08. Total (188058-5QT) INEO Long Life Engine Oil 

Total INEO Long Life features the most up-to-date specifications and is also called the “new generation” oil in Europe. This motor oil is mainly made for German diesel technology, but it can also be used on gasoline engines. It has been specifically approved to work on BMW, Mercedes-Benz, Audi, or Volkswagen.  

The Total INEO Long-Life motor oil has been formulated using the Totals Advanced Low SAPs technology for increasing the longevity of the Diesel Particulate filter. It also provides longer drain intervals. Total INEO Long-Life engine oil is environmentally friendly. It is advisable to always check your owner’s manual before you use any motor oil on your vehicle.

Highlighted Features

  • Have the most current oil specifications
  • Specially adapted to German diesel technology
  • Made with TOTAL’s advanced Low SAPS Technology
  • Offers extended drain intervals
  • It is environmentally friendly

09. Liqui Moly Top Tec Synthetic Motor Oil 

Liqui Moly manufacturers are popular for their maximum dynamics, outstanding quality, and pure emotion. Their Top Tec 5w30 motor oil is an all-season state-of-the-art motor oil for diesel and gasoline-powered passenger vehicles. This oil is an ideal choice for vehicles with a diesel particulate filter as per the standards of Euro 4 emissions and extended maintenance intervals.

Liqui Moly Top Tec motor oil is made by combining unconventional base oils with the latest additives using HC synthetic technology. This guarantees you that the motor oil will provide exceptional protection against wear. It also helps in reducing fuel and oil consumption and at the same time, ensures fast oil penetration in the engine.

This high-quality motor oil offers you oil change intervals ranging between 30,000 and 50,000 km. it is especially suitable for vehicles with extended intervals between motor oil changes and for vehicles working in extreme conditions. It is suitable oil for Renault, Benz, BMW, and other vehicles.

Highlighted Features

  • Suitable for diesel and gasoline vehicles
  • Made with HC synthetic technology
  • Offers exceptional protection against wear
  • Ensures fast oil penetration to the engine
  • Reduces friction and improves fuel economy

10. Quaker State Motor Oil 

Quaker State is a synthetic blend of motor oil that assists engines in surviving daily commuting. This high-quality oil works perfectly for all vehicles, from those commuting from high-speed highways to repetitive and stop-and-go driving. Quaker State 5w30 oil maintains the needed viscosity from the beginning to the end of your journey, thus providing optimum protection.

Quaker State motor oil prevents deposits and sludge from forming on your engine parts. It protects the engine from harmful acids that are produced by the engine contaminants. It provides durable wear protection, thus reducing engine wear. The motor oil is made to meet and exceed the OEM requirements. Quaker State motor oil is available in an ergonomically designed bottle of 5 quarts for easy pouring and handling.

Highlighted Features

  • Provides durable engine wear protection
  • Protects engine parts from corrosion
  • Provides optimum oil film protection
  • Combats engine deposits and sludge
  • Exceeds industry oil specifications
  • Maintain viscosity from beginning to end

What to Consider Before Buying Engine Oil

If you have looked for motor oil for your vehicle before then we can agree that it is a little confusing to settle on the right one. These days you will get a wide variety of 5w30 oils in the market, and you need to know what exactly to look for to get the correct one for your vehicle. This section will discuss some factors you look for in motor oil, and it will assist you to make an informed decision.

Best 5w30 Oil

Full or Synthetic Blend

The first thing you need to look for in your motor oil is if it is a full or synthetic blend. Full synthetic 5w30 oils are recommended for high-performing cars, those that carry heavy loads, and vehicles operating in high temperatures. These oils are made with high-performance additives to enable them to deal with extreme conditions.  

Synthetic blend motor oils are made by mixing fully synthetic and conventional oils. The oils are more affordable, and they give you the best in both worlds. They, however, don’t perform so well in extreme temperatures. Therefore if you want motor oil for high performance, you should consider the full synthetic oils, but if you are under budget, then you can go with the synthetic blend engine oils.


The other thing to put into consideration when buying motor oil is where you will apply it. Different types of oils are made for different applications. Some oils are made for motorcycles, diesel engines, extended performance, or higher mileage vehicles. It is, therefore to check your vehicle’s manual and see what motor oil they recommend for your car model and mileage.


How compatible the oil you are planning to buy is with the existing oil is another important factor to consider. Check if the brand you are buying is compatible with other oil types, or you will be needed to fully drain the previous oil. Some of the 5w30 oils are also made for specific vehicle models. Therefore before the purchase, ensure you buy high-quality oil that is compatible with your vehicle’s model, year, and make.


There are various brands of motor oils today, and it is important to buy from a reputable company. One of the simplest ways to ensure that you have got the right quality of motor oil is by getting the right brand. You can see some of the most reputable motor oil brands from the review above. Top brands meet and exceed all the standards set for producing motor oils, and thus you are guaranteed quality. They also have a wide variety of motor oils made specifically for specific vehicle models, mileage, and even year.

Protection Level

Various motor oils have different additives in their formulation and different protection levels. It is, therefore, advisable to look for 5w30 motor oil that will offer your engine optimum protection. The best motor oil should provide the engine parts with maximum protection against sludge buildup, oil leaks, and blockage. Using the right oil prevents friction in the engine by offering better engine lubrication.

best 5w30 oil for high mileage

Frequently Asked Questions (FAQs)

Which Brand of Engine Oil Is the Best?

Engine oils come in different brands, and the best brand will depend on several things, such as the model of your vehicle, its make, the year of make, and also the usage. Different brands have their formulations to fit different situations. However, some of the most reputable brands with the best engine oils are Royal Purple, Liqui Moly, Mobil 1, Valvoline, and Castrol.

Does It Matter What 5w30 Oil I Use?

The type of 5w30 oil you use matters a lot. This is because 5w30 oils vary, and their formulation method is not the same. Some 5w30 oils these days are made for specific vehicle types, makes, and even for specific mileage.

The specifications of the 5w30 oil you are using matter more than the viscosity of the vehicle. Check the specifications of the motor oil first and then compare it with what your vehicle manual states. Do not just use any 5w30 engine oil but use the correct 5w30 oil for your vehicle.

Are All 5w30 Oils The Same?

All 5w30 oils may be the same in terms of viscosity, but they may differ in specifications. Manufacturers these days have come up with a variety of 5w30 motor oils designed for specific applications.

Therefore, you need to read the specifications of the 5w30 motor oil you want to buy and ensure that it is the right one for your applications. The difference of oils can also differ in terms of the brands since their mixing formula is not the same. Therefore, be careful and check the specifics of the oil before you use it.

What Happens If You Use The Wrong Car Oil?

Using the wrong car oil can lead to reduced lubrication, thus shortening the engine life. It is recommended to consult your car manual to see the oil advised by the manufacturer. If the vehicle manufacturer states that you should use synthetic oil, then it would be prudent to stick by it.

Using the wrong oil may lead to low efficiency, engine noises, oil leaks, and burning smells, and may cause damage to the engine parts since they are not well protected. If you realize that you have used the wrong engine oil, the most prudent thing to do is to go for a full oil drain before it causes harm to the engine.

How Many Miles Does 5w30 Oil Last?

The miles that 5w30 oil lasts depend on various factors. The mileage will depend on the brand of the oil, the type of vehicle, and also the conditions the vehicle has been used. However, on average, 5w30 oils last for 3000 to 3500 miles, bit of high-quality 5w30 oils can go up to 75000 to 10,000 miles.

Final Words:

The type of oil you choose for your vehicle will determine its performance and also the engine’s useful life. The above best 5w30 oil review explains some of the best motor oils and factors to consider when buying. With this information, it is easy to choose the best engine oil for your vehicle among the many varieties in the market. Ensure you buy motor oil from a reputable brand that will work in both extreme conditions. Fully synthetic oils formulated with advanced additives are more beneficial since they last longer and offer great stability.

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Purity Wachira

Hi, I am Purity a researcher and technical writer since 2015. I hold a Masters in Supply Chain Management working in an automotive company. I am a resourceful lady with vast knowledge and interest in vehicles. My enthusiasm for cars drove me to more research, and the more information I got, the more I felt the need to share the knowledge through writing. My biggest win is to leave a positive impact on the automotive field and solve people's problems through articles, product descriptions, and product reviews.

3 thoughts on “10 Best 5w30 Synthetic Oil For High Mileage

  1. Hello Ademola Thompson,
    Sorry for Late Response

    For your 2003 Peugeot 807, selecting the right engine oil is crucial for maintaining optimal performance. While the specific oil recommendation may vary based on the trim and engine type, here are some options to consider:

    1. Total Quartz Ineo First 0w30: This oil is recommended by Peugeot for all their latest engines, including Stop Start technology. It is especially essential for Blue HDi engines.

    2. Multigrade Semisynthetic Oil 10W-30 (Quality SM): If you have a gasoline engine in your Peugeot 807 (1st generation, 2002), this type of oil is suitable.

    Remember to check your vehicle’s manual or consult with a mechanic to ensure compatibility and the correct oil weight. Regular oil changes are essential for engine longevity, especially given your high mileage. Safe travels!

  2. Which total synthetic oil can I use for my Peugeot 807 model 2003,mileage above 230,000

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