2019 Kia Optima 2.4 Engine Oil Capacity
A 2019 Kia Optima equipped with a 2.4-liter engine requires 4.3 quarts of engine oil, which should be changed every 3k to 5k miles. Learn more inside.
Written by Kathryn Mae Kurlychek
Reviewed by Melanie Reiff
A 2019 Kia Optima with a 2.4-liter engine needs 4.3 quarts of engine oil.
Owning a Kia Optima is all about enjoying the journey—but without proper engine oil maintenance, that enjoyment will be short-lived. That’s why regular engine oil changes are a must! The good news is, you can save money by performing oil changes right at home.
In this article, we’ll show you how and share everything you need to know before you get started. Read on to uncover your 2019 Kia Optima 2.4’s engine oil capacity, oil type, and how to change the oil yourself.
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4.7/5 rating on the App Store | Trusted by 5+ million customers and 7 million cars4.7/5 app rating | Trusted by 5M+ drivers2019 Kia Optima 2.4 engine oil capacity
A 2019 Kia Optima equipped with a 2.4-liter engine requires 4.3 quarts of engine oil (or 4.0 liters of oil).
An important note: be sure not to confuse your engine oil capacity for its displacement. The 2.4 liters of space that your Optima’s engine takes up under the hood is not the same thing as the amount of oil it needs to run smoothly—and those numbers should never be taken interchangeably!
What kind of oil does a 2019 Kia Optima 2.4 need?
So, you need 4.3 quarts of engine oil—-but what type of oil should you be using?
According to the manufacturer, your 2019 Optima 2.4 takes premium grade 5W-20 engine oil. It’s typically a good idea to stick to the manufacturer’s recommendations—but if you’re wondering what all that means, read on for more answers.
Basically, the numbers in the oil grade refer to an oil’s viscosity, which is how thick or thin the oil is at a given temperature. The numbers 5 and 20 indicate that this particular type of oil has a relatively low viscosity (e.g. stays pretty thin) at both cold and hot temperatures, although it’s thinner at 0°F. The “W” simply stands for winter.
Putting that all together, we can start to understand that a 5W-20 engine oil has low viscosity, which means less wear and tear on your engine over time—and it also performs well in cold weather conditions.
What about synthetic motor oil? Kia says you can opt for a high-quality synthetic oil blend in your 2019 Optima as long as it meets the same requirements. So if you find premium-grade 5W-20 synthetic oil, you’re good to go!
MORE: How much should an oil change cost?
How often to change oil on a 2019 Kia Optima 2.4
Now that you know what type of oil your Optima 2.4 takes and how much you should be using, you’re ready to change the oil!
Or are you? Kia recommends changing your engine oil every 3,000 to 5,000 miles if you’re using conventional oil. For synthetic oil, you can last longer between changes—the benchmark is 7,500 to 10,000 miles.
But if you’re not sure exactly how long it’s been since your last oil change, there are ways you can find out if you’re due—and sometimes, your vehicle might let you know, too:
- Motor oil that needs changing is dark brown or black in color
- Oil looks or feels coarse or gritty
- Strange noises coming from the engine can indicate a lack of lubrication
- Unpleasant odors like oil, smoke, or burning
- Changes in your vehicle’s performance
How to change your oil and oil filter
You’ve confirmed it’s time to change the oil. The next step is bringing your car to an auto shop, right? Wrong! If you want to save money on oil maintenance, you can easily change your engine oil from the comfort of your own driveway.
Here’s what you’ll need: a socket wrench and filter wrench, a drain pan, and a replacement filter and washer. Don’t forget your 4.3 quarts of 5W-20! Once you’ve gathered your materials, you’re ready to get started:
The first step is letting your engine warm up. Warm oil will drain easier, making the whole process less time-consuming. You should run your vehicle until the engine reaches normal operating temperature—no longer than five minutes.
Then, shut the engine back off, pop the hood, and follow these steps:
- Remove the oil fill cap
- Get underneath the engine and remove the oil drain bolt and washer (using your socket wrench)
- Allow the old engine oil to drain into your drain pan
- While the oil is draining, you can remove the old oil filter (using the filter wrench)
- Install the new oil filter
- Replace the oil drain bolt (don’t forget to use a new washer)
- Refill the engine with your fresh 5W-20 motor oil and replace the fill cap
If you’re having trouble along the way, your owner’s manual can outline the process specifically for your model—but, generally speaking, the steps above are all it takes to successfully change your engine oil. Once you’re done, it’s a good idea to turn your car back on for about 30 seconds to allow the fresh oil to absorb into the filter.
Don’t forget the last step: clean up! You should never dump dirty engine oil in the garbage or on the ground. Instead, place it in a sealed container and bring it to your
local recycling center
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