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What’s the Difference Between Regular and Synthetic Motor Oil?

Oil Change Service | Carlyle, IL

When it’s time for an oil change, and you’re asked if your vehicle uses synthetic or regular/conventional motor oil, you might find yourself wondering what the difference is between the two. Understanding the nuances of regular oil versus synthetic oil will help you make the best decision for your vehicle.

Crude oil is the direct source for regular motor oil. It can keep your engine and its components lubricated despite the high heat of a working powertrain. Synthetic oil starts as crude oil before undergoing chemical alterations to enhance its lubrication and protection properties.

Synthetic oils can be made for different purposes. Some specialize in prolonging the life and improving the performance of your vehicle, whereas other synthetic oils might use special lubricants to raise your car’s fuel efficiency. Synthetic motor oils offer advantages over regular motor oils in the following categories:


Added lubricants maintain a slick engine at high temperatures.


Synthetic oils stay thicker under extreme conditions for supreme engine protection.

Less Breakdown

The slower breakdown rate of synthetic oils means they less frequent changes than conventional motor oil.

Less Sludge

The unique makeup of synthetic oil means it’s far less likely than regular motor oil to leave sludge-like deposits over the surface of your engine.

To learn more about the differences between regular and synthetic motor oil — or to schedule your next oil change — give us a call at K & J Chevrolet.

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