These best motor oils will help protect your engine and keep it running smoothly all year long, no matter your budget.

It's surprisingly easy to stick to motor oil options that are manufactured in the United States. Plenty of reputable brands you already know fit the bill.

Most engine oils have different numbers on their labels. Here is what those numbers mean and if you can use 0W-20 in place of 5W-30.

You don't have to go to a mechanic to have your car's oil changed. Do it yourself by grabbing one of the best conventional motor oils.

Pennzoil Synthetic motor oil gives you unbeatable engine protection [1]. Pennzoil Platinum extends the life of your engine and protects for up to 15 years or 500,000 miles guaranteed [2].

There are a variety of benefits to choosing synthetic motor oil over conventional oil and it mostly comes down to the chemistry. Synthetic oils are created in labs and engineered for specific ...

Motor oil is one of those utilitarian products that often goes unthought of until you really need it. These are the 10 best motor oil brands, ranked.

Every weight of Pennzoil Motor Oil exceeds the API's highest standards (API SG/CD) for car engine protection. So no matter what you drive, there's a Pennzoil Motor Oil that can protect it.

Conventional oil also includes specific detergents to keep your engine clean, as well as anti-foaming additives, explained manufacturer Pennzoil.

With so many options for motor oil, it can be overwhelming finding the perfect option for your vehicle. We go over the details to help you understand which engine oil is best for your car.

It's surprisingly easy to stick to motor oil options that are manufactured in the United States. Plenty of reputable brands you already know fit the bill.