The 3,000-mile rule has been costing drivers money for decades.

I’ve been getting a lot of mail regarding using synthetic motor oil in vehicles. Questions such as: Should I use synthetic oil? Does it work better in some cars than others? Does it cost more? Do I ...

As any car owner will tell you, routine maintenance on any automobile can be extensive and, depending on where you go, expensive. Road-ready tires, new filters, fresh coolant, and more need to be ...

Q: I have a 1994 Toyota Celica and have always used conventional oil. Should/can I change to synthetic? Can I mix the two? Car Doctor: How to spot a 'flood' car before you buy Car Doctor: Can you give ...

Modern cars require a lot of different fluids. Most people know about engine oil. However, many people may not realize that engine oil comes in various types, classifications, and consistencies. In ...

Motor oils are broadly categorized into fully synthetic, conventional, and synthetic blends (also called semi-synthetic or part synthetic), with semi-conventional and high-mileage full synthetics ...

Q: I have a 2008 Toyota Highlander V6-powered limited edition with 74,000 miles, which runs great. Can I switch to synthetic oil if I had used conventional oil since the car was new? Is there an ...

For as long as I’ve been driving, I’ve been changing oil. Longer than that, actually — before I even got my license, I did a lot of the maintenance and repair work on the family car. It seemed natural ...

The benefits of using synthetic motor oil versus the use of conventional petroleum motor oil are well known and have been detailed here in 4WHEEL DRIVE MAGAZINE many times before. So why haven't you ...

It's basically impossible for the oil in your car's engine to get hot enough to boil. However, it it does happen, these are ...

Technically, the first synthetic oils were produced in 1877, which was about a decade before the first patented motor car arrived in 1885. Despite this, the former didn't find its way into the latter ...

The price for a barrel of oil hasn't gone up much since March, but gas prices seem to go up every day. What gives? Theories abound. Regardless of whom or what you choose to blame, drivers are willing ...