2015 Mazda 3 Engine Oil Capacity
The 2015 Mazda 3 has an oil capacity of 4.4 or 4.8 quarts. Here’s what else you need to know before you get your hands dirty.
Written by Bonnie Stinson
Reviewed by Melanie Krieps Mergen
To keep this vehicle in tip-top shape, you’ll need to perform regular oil changes, which requires getting your oil capacity right. On a 2015 Mazda 3, the engine oil capacity is 4.4 or 4.8 quarts, depending on its engine.
The 2015 Mazda 3 is a sporty sedan that ticks every box: practicality, affordability, and pizzazz. But it’s not enough to buy a gorgeous car—you’ve also got to maintain it!
If you own a 2015 Mazda 3, you have an undeniably
good car
. Since oil changes are a critical part of regular maintenance for any vehicle, let’s make sure you have its oil capacity and other oil change know-how to keep your Mazda running smoothly for years to come. Compare insurance quotes from 50+ insurance companies with Jerry in under 45 seconds
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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+ drivers2015 Mazda 3 engine oil capacity
So, if you’re prepping for an oil change for your 2015 Mazda 3, just how much engine oil do you need to buy?
The 2015 Mazda 3 oil capacity is either 4.4 quarts or 4.8 quarts, depending on your engine.
Oil capacity is not the same as engine displacement—but they are related. Bigger engines usually require more oil. Your Mazda 3’s engine displacement depends on the engine it’s equipped with, which can vary based on your
trim level
. The base 2015 Mazda 3 has a 2.0L four-cylinder with a 4.4-quart oil capacity, whereas higher trim levels have a 2.5L engine with a 4.8-quart oil capacity. You’ll need slightly more oil with a 2.5L engine, but the basic steps for doing an oil change are the same.
What kind of oil does a 2015 Mazda 3 need?
Now you know how much oil you need, what type of oil will make your Mazda 3 run the best?
This vehicle requires synthetic oil with a viscosity grade of 0W-20. Let’s dive into what that figure means.
The W stands for “Winter,” and the numbers describe the oil’s viscosity at different temperatures. So, the 0W-20 tells us that this engine oil has low viscosity (translation: is really thin) at cold operating temperatures and gets thicker, but is still pretty thin at regular engine operating temperatures. Low viscosity means less wear and tear, which is excellent for an engine.
Lots of brands produce 0W-20 engine oil, but Mazda recommends that you purchase Mazda Genuine oil. What’s most important is that you buy premium-grade oil with the right viscosity rating.
How often to change oil on a 2015 Mazda 3
Synthetic oil can last a lot longer than conventional motor oil, luckily for you! Mazda recommends changing your car’s oil every 7,500 to 10,000 miles.
Every six months is a good benchmark to combat debris buildup in your oil, even if you don’t rack up that many miles.
In addition to a full oil change, you should be checking your oil level on a regular basis. Many drivers do it once per month while filling up their gas tank. It’s wise to monitor the quality of your engine oil so you can get an oil change when necessary.
Here are some signs that your Mazda 3 may need an oil change:
- Color: Clean oil is light brown like tea, while dirty oil is dark like cola.
- Sounds: Odd noises from the engine could indicate a lack of lubrication due to dirty oil.
- Smells: Smoky and burning smells can indicate you need an oil change.
Performance is another thing to monitor, as reduced power or efficiency could signify dirty motor oil.
How to change your oil and oil filter
Oil changes are relatively easy to perform at home, so long as you have a sheltered location to perform the task and the right supplies. Make sure you have jack stands if necessary.
Here’s what you will need:
- New oil
- New oil filter
- Work gloves
- Drain pan
- Clean rag
- 8mm Allen wrench
- 10mm socket wrench
- Flat-head screwdriver
- Oil filter wrench
Run the engine for a few minutes to increase the viscosity and help evacuate more of the old oil. Remove the oil fill cap and drain bolt, allowing the old oil to drain into the drain pan beneath. Release the old filter and install the new one. Then replace the hardware and tighten it to the manual’s torque specifications. Top up with the new oil and you’re almost done!
Check your work by running the car for about 30 seconds. Then, use the dipstick to test the oil level. If there are no leaks and your oil level is at capacity, then the oil change is complete.
Finally, dispose of your dirty oil in a safe and legal manner. The garbage or the storm drain are not appropriate. Instead, seal up the dirty oil inside a container and bring it to the designated local recycling center.
That’s it! Regular maintenance is a great way to lower the cost of car ownership. A DIY oil change not only helps you prevent costly issues in the future, but it also saves money on labor costs.
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