The dirty truth about how often you need your oil changed is that it depends on how much you drive. The more miles you rack up every year, the sooner the next oil change is in order.
The American Automotive Association says a 3-year oil change interval is really a guideline for how often to service your vehicle, but how often you need to have your oil changed depends on how high of a mileage you have per year.
If you’re driving less than 10,000 miles a year, the 3-year oil change interval still applies. If you drive more than that, or if you want to play it safe and have even longer intervals between changes, your owner’s manual is the best place for how often to check your oil as well as how often to change it. But how many of us actually read those manuals?
A typical new car needs an oil change every 7,500 miles according to some estimates; cars with turbocharged engines need service more frequently because they tend to use up more oil and create higher emissions during combustion. Driving habits factor into how soon you’ll need an oil change: Short trips mean they don’t run long enough for the engine to heat up and burn off condensation and carbon deposits.
So how often should you change your oil? The answer is that how often you need an oil change depends on how much you drive, how many miles per year, how long does an oil change take, how long you typically spend parked at a time (thereby not allowing the engine to warm up enough), as well as what kind of vehicle you’re driving (do turbos create more emissions?).
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