Here's How Often You Should Actually Be Changing Your Car's Oil
According to AAA, most automakers now recommend oil change intervals between 5,000 and 7,500 miles for vehicles using conventional oil. If your car requires full-synthetic motor oil, that range ...
Consumer Reports7d
Should You Use Synthetic Oil in Your Car?
Synthetic oil used to be something only ... The alphanumeric codes on a quart of oil—5W-30, 0W-20, etc.—denote its “weight,” or viscosity. Thicker, higher-viscosity liquids flow more ...