Looking for oil additives? Our team of experts narrowed down the best oil additives on the market. Read this review and save yourself time and money.

Using the best engine oil additive can help improve the performance and longevity of your engine in a variety of ways. Most change the viscosity of the engine oil.

Although most engine oil and gasoline varieties work fine on their own, sometimes they could use a little help with an additive.

Don't let your transmission slowly wear away and deteriorate. Check out AutoGuide.com's recommendations on the best transmission fluid additives.

With so many different oil additives available, it can be challenging to determine which is suitable for your vehicle. In this article, we'll take a closer look at the top oil additives for your car ...

Solving the ‘Mystery’ of using a fuel and oil additive John Paul, AAA Northeast's Car Doctor, answers a question from a reader curious about using Marvel Mystery Oil.

Diesel oil, however, is a little different as it's engineered to work best in an engine that burns diesel fuel. The biggest differentiator is that it is much thicker than traditional oil, and it ...

Ensuring you are using quality oil for your Harley-Davidson motorcycle is vital for optimal engine performance. Here's the best type according to owners.

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 ...