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 ...

Synthetic blends combine a mix of synthetic oil and conventional motor oil for a product that gives some ... benefits over using conventional motor oil. So, if you can justify the added cost, ...

Best cheap synthetic engine oil: ... Synthetic motor oil costs more than conventional motor oil so you may be wondering if it's worth the extra cost. In short, yes. A synthetic oil offers ...

For example, a first-generation Mazda MX-5 Miata's little four-cylinder engine needs about 3.4 quarts of oil, while the 3.0-liter diesel-powered engine in a classic W123-generation Mercedes-Benz ...

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 ...

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.

A full synthetic is likely a good way to help maintain your engine if the cost isn't an issue, if you drive in a lot of stop-and-go traffic, or if you live in a particularly cold or hot part of ...