Published on: February 26, 2023
Written by Gian Camilo / Fact-checked by Harun Khan
Synthetic oil has become a popular choice for car owners looking to improve the performance of their vehicles. With its superior properties, synthetic oil can help increase fuel efficiency, reduce engine wear, and extend the lifespan of the engine.
When it comes to high-mileage cars, the question of whether synthetic oil is a suitable choice arises. High-mileage cars are vehicles that have covered a significant distance and are often in their advanced stages of life. These cars require special attention to their engine oil needs, as the engine may have experienced significant wear and tear over the years.
The use of synthetic oil in high-mileage cars can bring several benefits, but it also has its own set of challenges that must be considered before making the switch. In this article, we will take an in-depth look at the advantages and disadvantages of using synthetic oil in high-mileage cars, so you can make an informed decision.
Definition of Synthetic Oil
Synthetic oil is a type of lubricant that is engineered to provide improved performance over traditional mineral-based oils. It is typically made from chemically modified petroleum components or entirely synthetic base stocks and offers better protection, heat resistance, and reduced friction compared to mineral oils. Synthetic oils are designed to last longer, maintain their viscosity at high temperatures, and offer improved engine protection, making them a popular choice in high-performance and high-stress applications.
Synthetic oil is ideal for modern engines and can be used in high-mileage cars, as it helps ensure that the engine runs more efficiently and lasts longer. It is more expensive than conventional motor oil (it is relatively easy to switch from synthetic motor oil to conventional motor oil), but the premium price is often worth it since it can help increase the lifespan of your car.
What is a High Mileage Car?
A high-mileage car is a vehicle that has been driven for a large number of miles, typically over 100,000 miles. This term is often used to describe the condition of a used car, indicating that it has been driven for a significant amount of time and distance. High mileage can sometimes indicate that a car has been well-maintained, but it can also mean that the car is more likely to experience wear and tear and require repairs.
When it comes to oil, many people wonder if synthetic oil can be used in high-mileage cars. The answer is yes, synthetic oil can be used in high-mileage cars, as long as the correct viscosity rating and oil type are selected.
Synthetic oil is typically better for older cars because it offers enhanced lubrication which reduces friction, minimizes engine wear, and helps to extend the life of the car.
Are you looking for an alternative and more eco-friendly way to fuel your car? If so, then you may want to consider running it on cooking oil.
Can Synthetic Oil Cause Any Issues in High-Mileage Cars?
Using synthetic oil in high-mileage vehicles is generally safe and can even provide benefits such as improved engine performance and longer oil life compared to conventional oil.
In some cases, high-mileage engines may have leaks or seals that have degraded over time, and switching to synthetic oil may cause these leaks to become more pronounced. It’s important to have your vehicle inspected by a mechanic before making any switch to ensure that there are no underlying issues that need to be addressed.
It’s important to follow the recommended oil change intervals and viscosity specifications specified by the vehicle manufacturer to ensure proper engine performance and protection. Some car engines experience oil leaks, which can be a major cause of concern for car owners.
How to Choose the Right Synthetic Oil for Your High Mileage Car?
- API Rating: Look for a synthetic oil with an API rating of SN or higher, as it indicates the oil meets current industry standards for performance and protection.
- Viscosity: Choose an oil with the appropriate viscosity for your car’s engine. Check the owner’s manual or consult a mechanic for the recommended viscosity for your specific make and model.
- High-Mileage Designation: Look for synthetic oils specifically formulated for high-mileage vehicles, as they often contain additives designed to address common issues in older engines.
- Manufacturer Recommendation: Follow the manufacturer’s recommendation, if available, as some car manufacturers specify a certain type of oil to be used in their vehicles.
- Price: Don’t choose a synthetic oil solely based on price, but consider it as a factor when making a decision.
It’s always best to consult with a professional mechanic before making a final decision to ensure you choose the right synthetic oil for your high-mileage car.
Benefits of Using Synthetic Oil in High-Mileage Cars
High-mileage cars often require special care and maintenance to keep them running smoothly. One of the best ways to ensure your car runs in prime condition is to use synthetic oil. Using synthetic oil in high-mileage cars has several benefits, including:
Improved Fuel Efficiency
Using synthetic oil in high-mileage cars can be a great way to improve fuel efficiency. Synthetic oil is designed to last longer and provide better lubrication for your engine, reducing the amount of energy required for it to run. This can translate to improved fuel economy and a longer lifespan for your car.
Reduced Engine Wear
Synthetic oil can actually help reduce engine wear and prolong the life of your car, especially if it has high mileage. Synthetic oil has a higher viscosity, which means it is able to lubricate the engine’s moving parts better and more efficiently.
It also contains fewer impurities than conventional oil, so it can help reduce sludge buildup in the engine, which can lead to increased wear and tear. Synthetic oil also tends to last longer.
Enhanced Engine Protection
Synthetic oil contains special additives that provide additional protection against engine wear and tear, corrosion, and deposits. These additives can help prevent problems before they occur, keeping high-mileage engines running smoothly and extending their life.
Increased Engine Longevity
Synthetic oil provides superior protection against high engine temperatures, which can be especially important for high-mileage cars. By keeping engines running cooler, synthetic oil can help extend engine life and prevent damage from overheating.
Reduced Maintenance Costs
Synthetic oil can provide longer drain intervals compared to conventional oil, reducing the frequency of oil changes and associated maintenance costs.
Extended Engine Life
Synthetic oil contains fewer impurities and contaminants compared to conventional oil. This helps reduce engine wear, protects against deposits, and extends engine life.
Improved Performance
Synthetic oil is engineered to be more resistant to breakdown and to protect against wear and tear better than conventional oil. This can be especially beneficial for high-mileage cars because the engine components are more likely to be worn down from years of use.
Synthetic oil is more efficient at withstanding extreme temperatures, which can help extend the life of your car’s engine.
Improved Emissions
Synthetic oil can help reduce engine emissions, particularly in older vehicles, contributing to a cleaner environment.
Better Protection in Extreme Conditions
Synthetic oil provides superior performance in extreme temperatures, whether it’s hot or cold. This can be especially beneficial for high-mileage cars, which may be more susceptible to wear and tear in extreme conditions.
Potential Drawbacks of Using Synthetic Oil in High Mileage Cars
- Compatibility with seals: Synthetic oils may be too slippery for older seals, causing leaks.
- Cost: Synthetic oils are typically more expensive than conventional oils.
- Unfamiliarity: Some high-mileage vehicles were designed to run on conventional oils, and using synthetic oil may cause unexpected problems.
- Decreased Engine Tolerance: Synthetic oils may not provide the same level of wear protection as conventional oils, leading to increased engine wear in older cars.
- Warranty issues: Using synthetic oil in a car that is still under warranty can void the warranty if the car manufacturer doesn’t recommend its use.
It’s important to consult with a professional mechanic or the vehicle manufacturer before switching to synthetic oil in a high-mileage car to ensure it is appropriate and to avoid potential issues.
Frequently Asked Questions
What is the Best Synthetic Oil for High-Mileage Cars?
The best synthetic oil for high-mileage cars would depend on various factors such as the age, make, and model of the car, as well as driving conditions and personal preferences. Some commonly recommended synthetic oils for high-mileage vehicles include:
- Mobil 1 High Mileage;
- Royal Purple HMX High Mileage Synthetic Oil;
- Valvoline MaxLife;
- Castrol Edge High Mileage;
How Often Should Synthetic Oil be Changed in High-Mileage Cars?
The frequency at which synthetic oil should be changed in high-mileage cars varies based on several factors, including the make and model of the car, driving conditions, and the type of synthetic oil used. As a general guideline, synthetic oil should be changed every 7,500 to 10,000 miles or at least once a year in high-mileage cars.
Conclusion
It is important to consider the specific needs and requirements of a high-mileage car, as well as the manufacturer’s recommendations, before making the switch to synthetic oil. High-mileage cars may have different lubrication requirements and could benefit from the use of specialized high-mileage synthetic oils, which contain additives to address the unique wear and tear experienced by these vehicles.
Synthetic oil is designed to last longer and provide better protection against wear, reducing the need for frequent oil changes. It also helps to reduce engine noise and vibration, providing a smoother ride.
All in all, synthetic oil is a great choice for high-mileage cars and can help to extend their life.