Summary:
Traditional oil change advice often recommends changing your oil every 3,000 miles, but modern cars and oils have made that guideline outdated. While older cars used less advanced oils, today’s synthetic oils can last much longer. For many vehicles, especially those with synthetic oils, 5,000 to 7,500 miles is typical before a change is necessary, and some cars can even go up to 15,000 miles. If your car’s manual and dashboard indicator allow longer intervals, you can trust them, but don’t ignore warning signs.
If your car’s manual suggests oil changes every 6 months, but you drive infrequently, extending the interval to a year may be fine. However, conventional oils break down faster than synthetic ones, so don’t push it too far if you’re still using older oil types. The high-mileage oils used in European cars like the Mercedes E-Class can allow up to 20,000 miles or two years between changes, but U.S. cars typically use lower-quality oils that don’t last as long.
Some drivers wonder if they can go 10,000 miles without changing the oil, and the answer is yes, as long as your car’s manual and oil monitor agree. However, if you exceed the recommended time limit or your car’s oil is working hard, it’s best to change it sooner. Firestone advises that oil changes shouldn’t be done before 3,000 miles unless specified, and for synthetic oils, intervals up to 10,000 miles may be appropriate. The key is to trust your car’s system and follow its recommendations.
Motor Biscuit
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