Can you really go 20,000 miles without an oil change?

Author: Stan Ortiz  |  Last update: Tuesday, February 18, 2025

Oil companies and automakers would like you to change your oil at 15,000 or 20,000 miles, especially with high-quality synthetic oils.

What happens if I go 20,000 miles without an oil change?

Your engine would get severely sludged up, and have severely accelerated wear. The oil may last up to that long but the filter would be clogged solid and the engine would be getting fully unfiltered oil due to the filters interval bypass.

How long can you realistically go without an oil change?

However, engine technology has improved greatly over the years. Due to this, cars can generally go 5,000 to 7,500 miles before needing an oil change. Furthermore, if your vehicle uses synthetic oil, you can drive 10,000 or even 15,000 miles between oil changes.

Is 20,000 miles too much for an oil change?

"The great majority of new vehicles today have a recommended oil change interval greater than 3,000 miles," said a Mobil spokeswoman. The company's most advanced synthetic product (Mobil 1 Extended Performance) is guaranteed for a 20,000-mile synthetic oil change interval.

How many miles can you go overdue for an oil change?

Many people go 5,000 to 10,000 miles between oil changes, provided that oil levels are at optimal levels. It also depends on whether you've followed the recommendations shown in your owner's manual up to this point. If this is the first time you've been overdue for an oil change, don't fret.

20000 miles without an oil change

What happens if you wait too long for an oil change?

If you delay an oil change for too long, the oil's viscosity can decrease, leading to increased friction and accelerated wear on critical engine components such as pistons, cylinders, and bearings. This wear and tear can ultimately result in costly engine damage and decreased performance.

What happens if you never change your oil?

Over time, the oil breaks down and loses its ability to lubricate effectively. This can cause improper lubrication, leading to friction, heat, and wear on engine components that could cause potential engine damage and reduced performance. Overheating: Clean oil helps to dissipate the heat generated by the engine.

What service is needed at 20000 miles?

Inspect your battery and coolant every 20,000 miles. At 25,000 miles, most manufacturer's recommend you replace your fuel filter. At 30,000 miles, you should again replace the air filer and you should flush and replace your power steering fluid.

Can you go 2 years without changing synthetic oil?

“On a full-synthetic oil change, some manufacturers say that those can go up to 7,500 miles or six months without an oil change. At Joplin Transmission and Auto Center, we always recommend doing them between 5,000 and 10,000 miles, or every six-to-twelve months,” said Ruhl.

Do I need to change engine oil if I don't drive much?

If your driving mainly consists of short, infrequent trips, it's wise to stick to a regular oil change schedule, even if your mileage is low. This habit will help prevent the buildup of contaminants and ensure your engine remains in good condition.

How bad is it to not get an oil change right away?

The longer an oil change is put off, the engine in general will start to show problems. Most commonly, your engine will simply become too hot, which can cause it to run less efficiently. If the heat doesn't cause a gasket to blow, it will warp the parts of your engine.

How long can a car sit without changing oil?

How long does oil actually last in a car that's more often parked than driven? The answer may surprise you. Even in a car that's rarely driven, oil doesn't enjoy an infinite lifespan. The rule of thumb is about six months—despite oil's typical shelf life of five years.

What happens if you drive while needing an oil change?

Failing to change your oil can lead to poor engine performance, higher fuel consumption, and even severe engine damage. Think of oil as the safeguard between the critical components of your car's engine. Without clean oil, these parts may wear out prematurely, posing a costly threat to your vehicle's health.

Is mileage more important than time for oil change?

The truth is that both mileage and time intervals are important when determining how often you should change your engine oil. The mileage recommendation is important because the longer your drive, the more your oil becomes exposed to high temperatures.

Why is Bugatti oil change so expensive?

Bugatti oil change costs usually range from $20,000 to $25,000. The exclusivity of a Bugatti, the labor involved, and the quality of the materials used, contribute to the price of an oil change. Of course, these figures can vary based on your model and other services you require during the visit.

What happens if you don't change your oil for 2000 miles?

Ignoring this crucial maintenance task can lead to engine wear, reduced performance, and even severe engine damage over time. Not to mention, regular oil changes are proven to help improve gas mileage.

Is 2 years too long for an oil change?

Can I change oil every two years? No. Almost no automaker recommends that oil should be left in the crankcase for more than one year—no matter the mileage.

Can you really go 10,000 miles with synthetic oil?

In general, though, modern cars can manage 5,000 to 7,500 miles between oil changes. If your vehicle calls for a blended or full synthetic oil, you can push that to 10,000 miles.

Is it okay to change oil once a year with low mileage?

“While synthetic generally holds up better and can serve for more miles, it is equally important to not extend oil changes beyond the time interval recommended by the manufacturer, typically six months or a year if it is a motor that is not driven many miles or on many short trips.”

Can you go 20000 miles without oil change?

Oil companies and automakers would like you to change your oil at 15,000 or 20,000 miles, especially with high-quality synthetic oils. Still, there are real dangers in adopting such long oil change intervals, especially if your car wasn't made for it.

What mileage is major service?

Most mechanics suggest going in for the first major service at 15,000 miles. Then, you'll go in again at 30,000 miles, 60,000 miles, and 90,000 miles. Keep in mind that these are general guidelines, and you should check your owner's manual for your car's precise maintenance schedule.

At what mileage should a car be replaced?

A conventional car can last for 200,000 miles. Some well-maintained car models will reach 300,000 or more miles total. The average passenger car age is currently around 12 years in the United States. Choosing a well-built make and model can help extend your car's longevity.

How bad is it to be overdue for an oil change?

Overdue oil changes can also lead to a decrease in your vehicle's overall performance. You might notice sluggish acceleration, reduced power, or even stalling. If your car doesn't respond as it used to, consider it a red flag indicating the need for an oil change.

Why you should never skip an oil change?

As oil ages, it becomes contaminated with debris and sludge, reducing its cooling efficiency. Neglecting oil changes can lead to excessive heat buildup, which may cause severe engine damage, including warped components or even complete failure.

Can not changing oil ruin an engine?

Skipping oil changes for over a year can lead to serious engine damage. While it might be a hassle, regular oil changes are crucial for your car's longevity and performance, and neglecting them could cost more in the long run.

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