Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester and ...

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

Walk into any auto parts store and you're smacked with a wall of brightly colored bottles promising "protection," "performance," and probably enlightenment if you squint hard enough. Somewhere in that ...

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 ...

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 ...

Once upon a time, synthetic engine lubricants were considered exotic and used in only the most rarified performance engines. In fact, one of the companies discussed here, AMSOIL, was the first company ...

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 ...

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 when ...

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

Petro Canada's Duron UHP 10W-30 has been designed to exceed engine warranty requirements for the SAE grade and API CK-4 specification. According to Petro Canada, the new low viscosity engine oil ...

As the single most important fluid in any internal combustion engine—even that mystical rotary business—running the right oil is paramount. It handles so many tasks. Like lubricating crucial ...

Oil changes are a common part of a car's maintenance, and it's best to change the filter at the same time. But how long ...