Thousands of positive ratings and reviews on Amazon, including nearly 2,000 on the Extended Protection oil, which averages 4.8 stars, show that customers have had a lot of great experiences with ...

Motor oil is one of those utilitarian products that often goes unthought of until you really need it. These are the 10 best motor oil brands, ranked.

Synthetic motor oil is used in most modern vehicles, especially ones that are high-performance and turbo-charged. It costs ...

If your car has over 100,000 miles, it’s time for high-mileage engine oil, ... The Best High-Mileage Engine Oils Recommendations & Reviews Best Overall Castrol GTX Full Synthetic Motor Oil. See It ...

Best of all, you just add them to your engine oil. All of these additives are helpful in some way, but there are enough to fill an entire aisle at your local auto parts store.

Designer‑water jokes and eye-rolls aside, the purple jug isn't cheap. Expensive oil is often a waste of money and a 5‑quart jug of Royal Purple can run $5 to $15 more than Mobil 1 and even ...