Amazon Basics' affordable motor oil was a hit, but it's been out of stock for what seems like forever, leading some to ask ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for ...

Ever wondered why there's a price difference between conventional and synthetic oil? Let's take a look at why they're different and which you should use.

The best synthetic oil products last longer, keep engines cleaner, perform well in all temperatures, and protect your engine.

Keep your diesel engine in peak condition by using top quality diesel oil. Here are the most popular brands of diesel oil ranked from worst to best.

But there are other notations worth paying attention to on the labels of even the best motor oil brands, and the letters "HD" rank among the most important. Those letters can often be found ...

Gilbert’s Garage takes a look back at John’s favorite motor oil brands from the last 50 years —That’s half a century!

Costco sells house-brand motor oil under the Kirkland Signature label it uses for many other products. Does this oil pass the same tests other motor oils do?

Some brands also include additives to enhance certain properties of the oil, like those that make long-lifespan synthetic motor oil instead of conventional oil.

Valvoline’s management cites internal survey data indicating that motor oil brand is meaningful to 90% of motorists who change their own oil, with only 10% considering the product a commodity.

It may seem dreamy for a motor-oil brand to imagine what it’s going to look like in a half-century, but that’s one of the goals of a new advertising campaign by Mobil 1 synthetic motor oil ...

ConocoPhillips Co has announced that the Kendall Motor Oil brand is celebrating its 125th anniversary. Founded in 1881 in Bradford PA, the Kendall Refining ...