Ask several different people, and you’ll get different answers about how often oil should be changed. Some suggest every 3,000 to 5,000 miles. Others say that one can drive between 7,500 and 10,000 ...

Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

Changing your own oil can save money and prevent unnecessary upselling. Check your oil level and type before starting the process, using your owner's manual or online resources. Gather the necessary ...

Although there are various oils and fluids in modern vehicles, most people who talk about an oil change are referring specifically to engine oil. Designed to lubricate and cool fast-moving engine ...

Regularly changing the oil in your vehicle is one of the most basic yet important maintenance tasks. You can take it to a local auto shop to have a professional handle it or try to save a few bucks ...

Oil is vital to engines. According to boldmethod.com, it lubricates, preventing wear and tear, regulates the engine’s temperature, and removes contaminants. Regular oil changes will extend the life of ...

Car engines have used motor oil for the whole of automotive history, and during that time a lot of myths have cropped up about its use. Here are a few.

Although most drivers might not pay it too much thought, picking the right motor oil can have a significant impact on the expected life of the engine's components. There are so many oils to pick from ...

For years, drivers were told that they needed to change their car's oil every 3,000 miles. But as engines have grown more efficient and oil formulas have improved, that rule of thumb is no longer a ...