The best synthetic oils offer more mileage, keep the engine cleaner, perform equally well in low and high temperatures, and protect your engine by keeping wear at bay. When it comes to the topic ...

When shopping for motor oil, you'll probably notice that some are mineral while others are synthetic. What's the difference ...

Plenty stick with 3,000, some claim 5,000 miles, others argue 7,500 miles, and few even go as high as 10,000 ... changing synthetic oil every six months, regardless of mileage — to prevent ...

and High Mileage Synthetic options as part of Castrol's GTX lineup. Formulated with advanced additives for year-round engine protection is Valvoline's Premium Conventional Motor Oil. The company's ...