Do High Mileage Cars Need More Frequent Oil Changes?

Which synthetic oil is best for high mileage?

Pennzoil Platinum High Mileage Full Synthetic Motor Oil.

Castrol EDGE High Mileage Full Synthetic Motor Oil.

Valvoline Full Synthetic High Mileage Motor Oil.

Royal Purple HMX High Mileage Synthetic Motor Oil.

Shell Rotella T6 Full Synthetic Diesel Engine Oil.

Mag 1 Full Synthetic Motor Oil.More items…•.

How often should you really change your oil?

The quick-lube chains usually recommend it be done every three months or 3,000 miles, but many mechanics would tell you that such frequent changes are overkill. Indeed, most car owner’s manuals recommend changing out the oil less frequently, usually after 5,000 or 7,500 miles.

Do high mileage cars use more oil?

Reduced oil consumption: High mileage vehicles tend to leak and burn off more oil than younger cars due to degraded engine seals. High mileage oil rejuvenates degraded seals, which leads to less oil consumption and burnoff. Less engine sludge: Older engines tend to accumulate sludge left behind by other motor oils.

What’s the difference between high mileage oil and synthetic?

High Mileage Oil: Vehicles are lasting longer, and more than 2/3 of the cars on the road have more than 75,000 miles on them. … Synthetic Blend: Like the name suggests, synthetic blend oils split the difference between conventional and synthetic, both in protection and price point.

What type of oil is best for high mileage cars?

5 Best Motor Oils for High Mileage Engines#1 – Mobile 1 High Mileage Synthetic Oil.#2 – Royal Purple HMX Synthetic Oil.#3 – Mobile Super High Mileage Synthetic Oil.#4 – Castrol GTX High Mileage Synthetic Blend Oil.#5 – Pennzoil High Mileage Synthetic Blend Motor Oil.

Are high mileage oil changes worth it?

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. … High-mileage motor oil doesn’t hurt and it could prevent leaks from starting.

Is there a difference between high mileage oil and regular oil?

High-mileage oils have ingredients to take care of older engines, like conditioners, seal swells, antioxidants, detergents and wear or friction additives. … The higher-mileage oils are formulated with seal conditioners that increase flexibility and restore shape, which can help prevent leaks in the long run.

How often should you change your synthetic oil?

5,000 miles to 7,500 milesSynthetic Oil Change Interval If you are using synthetic oil, the interval between oil changes can be extended. Manufacturer recommendations range from 5,000 miles to 7,500 miles, on average. Some recommended intervals might be shorter or longer.

Does high mileage oil help with leaks?

Additives in certain high mileage oils can help protect worn seals and keep leaks from forming. Older vehicles tend to burn more oil and the lower volatility of Mobil 1 High Mileage helps reduce oil loss caused by burn-off, particularly on cylinder walls due to leakage past the oil control ring.

How often should you change the oil in a high mileage car?

There are four main “recommended” intervals for oil changes based on factors specific to you and your car: Every 1,000 miles (1,609 kilometers) or every six months. Every 3,000 miles (4,828 kilometers) Every 5,000 to 7,500 miles (8,046 to 12,070 kilometers)

Will synthetic oil make your engine last longer?

Synthetic oil lubricates better, makes engines last longer, improves mileage and takes longer to break down under the heat of engine use. A number of supposedly informed people say you can go nearly twice as long between oil changes with synthetic.

Should I change my oil after the first 1000 miles?

If it isn’t, don’t worry about it. Owners of new cars should read the scheduled maintenance book that comes with the owner’s manual and follow it. Decades ago most manufacturers recommended a change after 1000 miles and every 3,000 miles thereafter.

Is high mileage oil thicker?

A: Yes. This is a practical method to improve oil pressure in an older, high-mileage engine. The slightly thicker oil film from the heavier base weight oil – 10W – can help protect worn engine bearings as well.

Can you go back to regular oil after using high mileage oil?

You can always go back to regular oil after using the High Mileage products.

every 5,000 milesHow Often You Should Change Your Oil. It’s now recommended that you should be changing your oil every 5,000 miles driven. There’s also a general recommendation that you should be getting your oil changed twice a year, which usually means every six months if you aren’t driving 5,000 miles in that kind of time period.

Is synthetic oil better for high mileage cars?

High mileage oil is designed for vehicles with more than 75,000 miles. … As a rule of thumb, most new cars require synthetic oil. Older cars generally run well with conventional oil, unless your vehicle has more than 75,000 miles on it, in which case high-mileage oil is recommended.

Will switching to synthetic oil cause leaks?

Myth #3: Synthetic engine oils can wear down seals in an engine and cause leaks. This is an often-cited myth. In fact, if your seals and gaskets are in good condition, synthetic oil will not leak in your engine.

Do you really need to change your oil every 3 months?

Some swear by the “every 3,000 miles or every 3 months” rule, but advances in engines and oil have made that guidance obsolete. Many automakers have oil-change intervals at 7,500 or even 10,000 miles and 6 or 12 months for time. … Follow the manual and your car’s engine should stay well-lubricated and perform well.”