Can Engine Oil Last 20000 Miles? What You Need to Know

Like many drivers, one of the biggest worries you may have is whether engine oil can last 20000 miles. While this might seem unlikely, the answer to this question depends on several factors such as your driving habits and vehicle maintenance history.

Before anything else, consult your vehicle owner’s manual to see how often it recommends changing your motor oil. Typically, changing intervals ranges between 5,000-7,000 miles, so make sure you follow their advice.

In this article, we are going to explain everything you need to know about oil lasting up to 20000 miles.

Can Engine Oil Last 20000 Miles?

It’s safe to say that there are several oil companies and even automakers on the market that actually suggest changing your oil at 20,000 miles, especially if you are using a high-quality synthetic motor oil. However, we don’t think this would be a good idea as long oil change intervals can be dangerous for your vehicle’s engine leading to failure over time.

Check: Can Engine Oil Last 2 Years

High-Mileage Oils

Can Engine Oil Last 20000 Miles

If it’s a case where your car or truck has more than 75,000 miles on the odometer, then it might be time to consider using an engine oil designed specifically for higher mileage. These oils help reduce engine wear and extend the life of your vehicle’s engine.

Before choosing an engine oil designed for high mileage vehicles, consult your owner’s manual or your local auto shop. Make sure the oil you select has a recommended viscosity rating and can handle your high usage needs.

Synthetic engine oil is also a beneficial option as it has greater resistance to breakdown than traditional petroleum-based oils, increasing its longevity in certain conditions such as rough roads or high temperatures.

Synthetic motor oils offer added protection from foreign deposits, which can cause costly engine damage if not cleaned off promptly. Not only that but these oils are capable of lasting up to 10,000 miles between changes depending on your driving habits and vehicle’s maintenance history.


At this point, you might be wondering if it is possible to wait 20,000 miles before changing your engine. Well, the first thing we recommend doing is to check your cars owner manual to see how often your engine oil should be changed and follow their advice just to be on the safe side.

It is best to keep in mind that engine oil has a limited life and will eventually start to break down and lose its capacity for cleaning your engine. This could result in sludge buildup, lack of lubrication, and higher repair and maintenance expenses.