Does motor oil really need changing every three months or miles? Andy Jensen is a freelance automotive writer specializing in car. Consult your car's owner's manual or speak to a mechanic in regards to how often to change your car's oil. (Photo courtesy of Phil Matt). Knowing how often to change your car oil takes more information than in the past. The good news is that it's probably less often.
If you're confused about motor oil—the right time to change it, how often to change it, what's the best oil for your car—Consumer Reports' chief. Drivers are often stumped how often to change their oil. While the new standard is miles, read more to see what the right number is for your car. Do you change your car's motor oil every 5, kilometers? This has been the standard interval for oil changes since cars were cars, and many.
Gradually, car manufacturers have been extending oil change intervals to 5, miles, then to 8, and in some cases even to 15, miles. So, how often. If you're changing your oil more frequently than necessary, it won't help your car. It doesn't harm it either, but you're wasting money, time and. It's a message that has been steered at drivers for years: Change your engine oil every 3, miles. Mechanics say you could be damaging. Everyone seems to have a different opinion on how often you should get a car oil change and what type of oil would be the best for your vehicle. Automobile.