CR shares five things to know about oil changes for your car, including when and how often to change the motor oil and ...

Under “normal” driving conditions, synthetic oil can go 10,000 to 15,000 miles, or six to 12 months, between changes. Follow ...

A persistent debate around synthetic motor oil is whether it can be used in old cars. In this Engineering Explained video, Jason Fenske clears things up. The video is part of a series sponsored by ...

We may receive a commission on purchases made from links. Synthetic motor oils have been around for a while now, longer than most gearheads realize. The first synthetic hydrocarbon oils were created ...

Q: I bought new a 2018 Mazda6, four-cylinder turbo. The specs call for semi-synthetic oil. Everyone who I know with auto expertise thinks I should use full synthetic, even a former engineer friend ...

So, you mixed synthetic oil and conventional oil. You screwed up, and now you're wondering if what you did will have catastrophic consequences. Whether it was a simple accident or if you did it on ...

You're staring down two shiny jugs at the auto parts aisle. One says semi‑synthetic, the other full synthetic, and you're thinking maybe they're basically the same, right? Maybe that's just a ...

A longtime mechanic recently broke down how motor oil that’s labeled full synthetic oil isn’t 100 percent synthetic. Rich, or Fordbossme (@fordbossme), has already gained a loyal following for his ...