Why use high mileage synthetic oil?

High Mileage Synthetic Oils are specially designed for high mileage vehicles that require synthetic oils with extra seal conditioner providing more protection to worn seals, which can mitigate leaks in high mileage engines.

Is high mileage synthetic oil worth it?

It may seem like overkill to use an oil that is specifically formulated for older engines, but it's worth it in the long run. The additives in high mileage oils offer a myriad of benefits that will keep your engines working efficiently and reliably for longer.

When should I start using high mileage synthetic oil?

The bottom line is that high-mileage engine oils are designed for engines that are beyond their warranties and have 60-, 80-, 150,000 miles. Use it if you see a leak or notice rattling. This product can do a lot to protect engines.

Is High Mileage Synthetic better than regular synthetic?

So which one is better? The short answer is full synthetic is always better, but cost is the main reason why I buy high mileage oil vs synthetic oil. If you have over 75,000 miles on your modern car or truck, consider switching to a high-mileage motor oil.

Does high mileage oil make a difference?

It can help reduce oil consumption, smoke, and emissions from older engines. High mileage oil also works to minimize leaks and oil seepage. While you could use high mileage oil in a younger car without harming it, the issues that high mileage oil addresses usually don't appear in vehicles with fewer than 75,000 miles.

Does Your Car Need High Mileage Oil: Pat Goss Answers Fan Question

What is the difference between full synthetic and full synthetic high mileage?

Mobil™ Full Synthetic High Mileage motor oils deliver guaranteed protection that's 1.5 times longer than our conventional and synthetic blend oils. These oils have been tested and proven to provide long lasting protection to help extend engine life.

Is it okay to switch from high mileage oil to synthetic?

You can switch from conventional motor oil to Mobil 1™ synthetic oil (and back again, if you want) without following any special procedures. There are two exceptions to this: a higher-mileage engine that has never used synthetic motor oil, or an engine that has used conventional motor oil and been poorly maintained.

Will high mileage oil hurt a new 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. Would it harm your engine? Most likely not, but it would be better to adhere to what is specified in the owner's manual, at least until the warranty has expired.

Can I switch to synthetic oil with high miles?

In fact, some new cars require synthetic oil. However, one exception is with older vehicles, especially those with high mileage. The seals in those engines may not be able to handle the additives in synthetic oil. However, that doesn't mean it's impossible to switch to synthetic in an older car.

How long does high mileage synthetic oil last?

Unlike regular car oil, synthetic oil is more refined which can lower friction, reduce engine sludge, and increase engine performance. It's recommended that you change synthetic oil every 7,500 – 15,000 miles, depending on the vehicle and the brand of synthetic oil used.

How often should high mileage oil be changed?

You may be wondering “how often should I change my oil if my car has high mileage”? If you have a newer car with 150,000 or 200,000 miles you likely should also change your oil every 3,000 miles. If you burn more than 1 quart of oil or your oil is very dark before you get to 3,000 miles it's likely time to change it!

How many miles can you drive on high mileage synthetic oil?

In general, though, modern cars can manage 5,000 to 7,500 miles between oil changes. If your vehicle calls for a blended or full synthetic oil, you can push that to 10,000 miles.

Is full synthetic oil better than high mileage oil?

Overall, full synthetic oils provide better engine performance and protection than conventional and synthetic blend motor oils.

What are the disadvantages of synthetic oil?

A few disadvantages of synthetic oil to be aware of include: Probably the most glaring downside of synthetic oil is the cost. The price of synthetic oil is around two to four times the price of conventional oil. Synthetics may be more prone to additives precipitation during cold storage conditions.

Does high mileage oil burn faster?

On older cars with 100,000 miles or more, increased oil consumption is to be expected. At the same time, many new cars require lighter weight oils — like 0W30 or 5W20 — instead of more traditional ones like 10W30. These finer oils smoothly seep by gaskets, rings, and seals, increasing oil consumption.

Does my car need high mileage oil?

If an engine isn't burning or leaking oil, or if it uses, say, less than a quart over 6,000 miles or so, switching to high-mileage oil may not be worth the extra cost for you.

How do I know when my synthetic oil needs replacing?

How much does a high mileage synthetic oil change cost?

Typically, an oil and filter change using conventional oil will cost between $35 and $75, depending on your area. If your car requires synthetic oil, you should expect to pay more (anywhere from $65 to $125) but you make up some of the cost, since synthetic oil lasts longer and has to be changed less frequently.

Can full synthetic oil be changed every 6000 10000 miles?

The Correct Change Interval for Synthetic Oil

Manufacturers' recommended synthetic-oil change intervals vary greatly. For the vehicles in Car and Driver's long-term test fleet, those intervals range from 6000 to 16,000 miles (and almost always include oil-filter changes).

How often to change synthetic oil if you don t drive much?

“While synthetic generally holds up better and can serve for more miles, it is equally important to not extend oil changes beyond the time interval recommended by the manufacturer—typically six months or a year if it is a motor that is not driven many miles or on many short trips.”

Will it hurt my car if I do an oil change with synthetic instead of full synthetic?

Answer. Synthetic oils typically provide better protection than conventional oils, but switching back and forth between full synthetic and conventional oil will not damage the engine.

What happens if you don't put full synthetic oil in a car?

So what will happen if you ignore the recommendations in the owner's manual and switch to conventional oil? "The engine won't blow up or anything," Calkins said. "But you'll see increased wear and build up of deposits." And again, topping up with conventional oil in a pinch is okay.

How many miles is Valvoline full synthetic high mileage good for?

75,000 miles is more than a mile marker. It means your engine is ready for greater protection. Valvoline High Mileage with MaxLife Technology Motor Oil is proven to maximize engine life in vehicles with over 75,000 miles.

Does synthetic oil expire?

Similar to conventional motor oil, synthetic motor oil does expire. Luckily, it has a longer lifespan than conventional oil and can last seven to eight years.

How long does 5W30 synthetic oil last?

Answer: If your car uses conventional motor oil, such as 5W30 or 10W30, we recommend changing the oil every 3,000 miles or 3 months. If your car uses synthetic oil, we recommend an oil change every 5,000 miles or 6 months. You can push that to 6,000 or 6,500 miles if you almost always drive on the highway.