While changing the oil in your car is a basic part of vehicle maintenance, there are a lot of choices out there. Here are the best synthetic oil brands, ranked.

Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

Motor oil is one of the most important fluids in your vehicle. The purpose of motor oil is to reduce friction and keep a vehicle's engine clean and corrosion-free. Another critical function is to ...

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 ...

Keep these top-rated oils and fuel treatments flowing through your engine to make it last.

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.

There are other factors for how hot motor oil gets; like speed. Track enthusiasts may find their engines producing a lot of heat, and the oil in their motor needs to be rated to handle that. Lucas ...

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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.

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

If an engine isn’t burning or leaking oil, or if it uses, say, less than a quart over 6,000 miles or so, switching to high-mileage oil may not be worth the extra cost for you.

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.