On oil change frequency

How often should you change the oil in your engine? To be objective, there simply is no single answer to that question. And there’s certainly no universal answer for every car and every owner — it all comes down to the individual case. All you have is the manufacturer’s recommended change interval. On top of that, there are outside factors that shorten the service life of the oil sitting in your engine. Beyond that, it all depends on how badly you want to keep your engine in good working order…

Read the whole “How often to change your oil” section