Every engine requires oil to function, though oil itself has changed a lot over the decades. It's no longer a bad idea to use ...

What’s the difference between synthetic and conventional motor oil? There are many advantages of synthetic motor oils, and in ...

Synthetic oil is a go-to choice for many vehicle owners, but does it improve fuel economy? If better mpg is your goal, here's ...

Yet another way synthetic oil can save drivers money is through improved fuel economy. Don’t go looking for a huge increase if you make the switch, but Martin said Royal Purple can actually ...

Consumer Reports presents the advantages and downsides of using synthetic oil in your car, and why you might want to consider synthetic engine oil. Ad-free. Influence-free.

CR shares five things to know about oil changes for your car, including when and how often to change the motor oil and whether your car needs synthetic oil. Ad-free. Influence-free.

Today, most manufacturers recommend oil changes between 5,000 and 10,000 miles — sometimes more with synthetic motor oils. Some manufacturers may list a time interval, as well, which can be six ...

Modern synthetic oils last an incredibly long time. Thanks to all the detergents, additives, and other concoctions in them, these oils might be good for anywhere from 7,500 miles to 15,000 miles.

Synthetic Motor Oil Pricing Nearly all general-use synthetic oils, whether purchased online or in-store, can be snagged for roughly $10 to $15 per quart or between $25 to $40 per one gallon or ...