Synthetic engine oil typically costs 2 to 4 times as much as conventional mineral oil, but it is definitely cheaper than an engine or a vehicle. The US military exclusively uses synthetic oil in all ...

Changing your own oil, while simple in principle, is often a rather deceptively nuanced task in one key area: selecting which oil is best for your vehicle. For instance, there's a huge variety of ...

Semi-synthetic and synthetic blend oil sound very similar -- and they are -- but how can you tell the difference between the two? And which is best?

That cheerful technician suggesting synthetic oil “for better engine protection” isn’t looking out for your engine-they’re padding their profit margins. Quick-lube shops mark up synthetic oil by 200% ...

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 ...

Fakes get a bad rap, whether it’s fake Rolexes, fake handbags, or fake Bugattis. They’re seen as lesser, and by all accounts, they are. They’re not made as well, they’re cheaper, and you’ll look like ...

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 ...