In the automotive world, there are some topics or questions that, if not quite taboo, are just asking for trouble. Like politics or religion, it’s generally not wise to ask a Corvette diehard about ...

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 ...

Conventional motor oil or synthetic motor oil? That is the question when getting an oil change, and it's an important one. Both are designed to help keep your engine and its various components ...

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 ...

Synthetic oil is worth the extra cost for most drivers. It lasts 7,500 to 15,000 miles between changes compared to 3,000 ...

This article was updated March 6, 2023. It was originally published Aug. 1, 2001. Gears—even plastic ones—need to be lubricated if engineers are going to coax the best performance out of them. In the ...