Motor oil is a key to your car, lubricating parts that mustn't grind together. And there are lots of potential signals to tell you if it has gone bad.

However, many owners may not operate their vehicles in conditions that warrant the additional engine protection of synthetic motor oil. For most owners, petroleum-based motor oils are just fine.

This also includes the fact that ENEOS motor oil exceeds the service fill requirements of Toyota, Honda, and other Original Equipment Manufacturers (OEMs) where an SAE 0W-16, 0W-20, 5W-20, 5W-30 ...

Even as cars become increasingly sophisticated, motor oil remains the engine’s lifeblood, and caring for this fluid is vital. Fortunately, this is a rather simple task—and your car’s onboard ...

The oil in your vehicle’s engine is pretty incredible.Its job is to protect every square inch inside your engine where there is metal-to-metal contact – your piston rings, cylinder walls ...

Checking the oil level is a quick, easy job that we recommend you do at every other gas fill-up. All you’ll need is a rag or paper towel, and your car’s owner’s manual if you have questions.

This premium synthetic motor oil from Amsoil provides 75% more engine protection and 50% more cleaning power than conventional motor oils. It also delivers 72% better protection of turbochargers.

Obviously, the main draws behind mineral-based oil are cost and availability: These oils essentially come right out of the ground and go through fewer steps before packaging, making cheap motor ...

Motor oils also have different classifications that mandate what age of engine it's best used in. According to the United States Department of Energy, this is also called the API (American ...

The Best Motor Oil for Your Hybrid or Combustion Car in 2025 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 ...

Using conventional oil you're looking at a recommended drain interval of every 3,000 miles. Using Amsoil Signature Series synthetic you can extend your drain interval to every 25,000 miles. Basic ...