Your Older Vehicle Deserves Better: Discover When High Mileage Oil Can Transform Your Engine’s Performance
As vehicles age and accumulate miles, their engines face increasing challenges that regular motor oil simply wasn’t designed to handle. Just as our bodies require extra care as we age, our cars, trucks, and SUVs can benefit from a specific class of motor oil formulated to help engines turn after they have racked up 75,000 or more miles. High-mileage motor oil is designed specifically for older cars with high mileage (75,000 miles or more).
Understanding the Science Behind High Mileage Oil
The combination of additives in high mileage oils is the key distinction between high mileage oil and “regular” engine oil. The additive package in their formulations is what helps them achieve the higher level of protection that older, more worn engines usually need. Regular oils will provide protection for your engine, but high mileage oils are specifically formulated with specific conditioners, seal compatible conditioners, antioxidants, detergents and additives to combat the issues that high-mileage vehicles often experience as they age.
High mileage oils contain seal conditioners and additives that cause o-rings, gaskets and seals to swell. In some cases, older valve-guide seals in engines may have reduced seepage. This can result in lower oil consumption. Additionally, a high mileage oil change cleans sludge and deposits, rejuvenating engines that are worn down and keeping them performing efficiently for longer. High mileage oils have higher viscosities and film strengths that help reduce the risk of metal-to-metal contact.
When Should You Make the Switch?
The timing for switching to high mileage oil isn’t just about hitting a magic number on your odometer. There are two schools of thought about using high-mileage oils. The first is to switch when your vehicle reaches 75,000 miles. The second is to switch if your older vehicle is beginning to show signs of engine loosening.
Consider making the switch if you notice any of these warning signs:
- Increased oil consumption
- Oil streaks on the ground where your car was parked. Oil leaks could be a sign that an engine part is becoming loose.
- The sound of your engine is louder than usual. A rattling sound could indicate that your engine needs high mileage oil, which is denser than regular motor oil.
- Oil streaks on engine parts
Traditionally, vehicles with over 75,000 miles on the odometer are classified as high mileage, but they don’t necessarily have to hit that milestone to benefit from high mileage oil. Vehicles that are over 7-8 years old or that work under a lot of stress will experience similar levels of engine deterioration.
The Real-World Benefits for Your Vehicle
High mileage oil offers several tangible benefits for older vehicles. Higher mileage oils are formulated with seal conditioners that increase flexibility and restore shape to prevent future leaks. High mileage oils contain additives and seal enhancers that reduce leaks (both internal and external). It’s possible that after an oil change or two, the leaking could stop. This has the potential to reduce oil spots in your driveway and on burning oil in older engines.
While standard oils can make for slightly cheaper oil changes, high mileage oil is not significantly more expensive and can be well worth the added expense. A couple of extra dollars at each oil change could help you get more joy, time, and use out of an older vehicle.
Professional Guidance for Clarke County Drivers
When it comes to maintaining your high-mileage vehicle, professional guidance is invaluable. For residents in the Athens area seeking expert advice and quality service, Oil Change Clarke County services are readily available through trusted local professionals who understand the unique needs of older vehicles.
At Pro Transmissions and Automotive of Clarke County, expert technicians provide meticulous attention to detail and extensive knowledge. The team uses state-of-the-art equipment and high-quality parts to deliver reliable and long-lasting service. Whether your vehicle has a minor issue or needs comprehensive care, you can trust professionals to get the job done right.
Important Considerations and Limitations
While high mileage oil offers many benefits, it’s important to have realistic expectations. If you are experiencing blowby, loss of power, cylinder slap, strange noises, etc., you likely are having mechanical failures that should be addressed. These types of issues are not something a high mileage oil will fix. On the other hand, if you have a high mileage vehicle that has been well maintained and are attempting to mitigate more engine wear with realistic expectations, a high mileage engine oil might be the right choice for you. Just don’t think that a high mileage oil will be a “silver bullet” for mechanical wear in your engine.
Using a high-mileage oil in a new vehicle would be ill-advised, since no manufacturer recommends this type of oil for a new vehicle. Most likely it wouldn’t harm your engine, but it would be better to adhere to what is specified in the owner’s manual, at least until the warranty has expired.
Making the Right Choice for Your Vehicle
The decision to switch to high mileage oil should be based on your vehicle’s specific condition and needs rather than mileage alone. An engine with 80,000 miles may have as much wear as an engine with 150,000 miles. It all depends on how the vehicle has been driven and maintained. Some people might consider switching to a high mileage oil at 200,000 miles, while others may want to change to a high mileage oil at 80,000 miles.
Vehicles that have missed recommended oil change intervals, that regularly tow heavy loads or that are driven infrequently can also benefit from the additives in high mileage oils. The key is working with knowledgeable automotive professionals who can assess your vehicle’s individual needs and recommend the best maintenance approach.
For older vehicles showing signs of wear, high mileage oil represents a smart investment in extending engine life and maintaining reliable performance. By understanding when and why to make the switch, you can help ensure your trusted vehicle continues serving you well for years to come.