The 2015 Cadillac ATS 2.0 is the American version of European luxury sedans—edgy design, high performance, and reliability await its drivers, but you’ll need to maintain full and clean oil if you want to reap those benefits.

As a luxury vehicle, the 2015 Cadillac ATS 2.0 comes with its fair share of expenses. Specialty maintenance and higher car insurance rates paired with the insane gas prices of late contribute to significant car bills. If you’re looking to cut costs around your car, learning to change your own oil is a great way to do that.

To DIY your oil change, you’ll need to know your vehicle’s engine oil capacity, recommended oil type, and perhaps some guidance through the process. And

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2015 Cadillac ATS 2.0 engine oil capacity

To start, let’s talk about how much engine oil a 2015 Cadillac ATS 2.0 needs.

The 2.0-liter engine in this model has an oil capacity of 6 quarts for the AWD model or 5 quarts for the RWD model. Wait, didn’t we just establish we’re talking about a 2.0-liter engine? We sure did! But the 2.0-liter metric refers to the volume taken up by the engine cylinders, otherwise known as the engine’s displacement.

The engine oil capacity refers to how much motor oil your engine needs, or 6 quarts in the case of a 2015 Cadillac ATS 2.0. The engine’s displacement and oil capacity are two different things, so the values are not interchangeable.

What kind of oil does a 2015 Cadillac ATS 2.0 need?

Okay, we know that we need 5 or 6 quarts of oil for the 2015 Cadillac ATS 2.0, so now we need to cover the kind of oil that vehicle needs. There isn’t a standard type of oil that works across all vehicles, so you can’t just buy any old oil and call it a day.

The owner’s manual for a 2015 Cadillac ATS 2.0 recommends a SAE 5W-30 oil. Basically, that grade refers to the viscosity of the oil at lower and higher temperatures. The lower temperature viscosity grade, 5, is immediately followed by a “W” standing for winter. The next value, 30, tells us the thickness of oil at high temperatures like the normal running temperature of your engine.

It’s important to get engine oil at the recommended grade, so it will perform well across a range of temperatures and reduce wear on your engine.

Don’t panic when it comes to choosing between synthetic and non-synthetic oil—either will do for your Cadillac ATS 2.0 as long as it is 5W-30.

MORE:

Ultimate FRAM oil filter guide

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How often to change oil on a 2015 Cadillac ATS 2.0

So, we’ve got the oil capacity and the kind of oil down—now we can talk about changing the oil!

Cadillac recommends getting an oil change every 7,500 miles or, perhaps an easier benchmark to remember, once a year. If you drive more often or far less, your oil change timeline may be different. And as a general rule of thumb, synthetic oil lasts longer than conventional oil.

That gap between oil changes is kind of major, so be sure to check your oil once a month by pulling out the oil dipstick and verifying the correct oil levels and that it’s still amber in color. You can also keep your eyes (and nose) out for the following signs that your oil needs to be changed:

Unfamiliar or

loud noises

coming from the engine

New smells, especially anything that smells like oil, smoke, or burning

Changes in your vehicle’s performance

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Are Cadillacs good cars?

How to change your oil and oil filter

Ready to get your hands greasy? Grab these materials first: a socket wrench, a drain pan, a filter wrench, a new oil filter, and six quarts of 5W-30 engine oil.

You should have warmed up engine oil before beginning the draining and replacing process, so let your car run for five to ten minutes or take a short cruise around the block. When the oil is at its normal operating temperature, turn the engine off somewhere where your car will be on level ground, and then follow these steps:

Remove the oil fill cap.

Take your socket wrench under the engine with you, and use it to remove the drain bolt and washer, allowing the old oil to drain into the drain pan.

Use the filter wrench to remove the old oil filter and let the oil drain completely.

Install the new oil filter.

Replace the oil drain bolt using a new washer and tighten it to 29 lb-ft.

Refill the engine with six quarts of new 5W-30 oil and replace the fill cap.

Check the oil dipstick to ensure you’ve added the correct amount of oil, and allow your vehicle to idle for a few minutes to check for any leaks. Check your

dashboard lights

to make sure your oil pressure light is off, and that’s it!

Before heading inside to wash your hands, pour the dirty oil into a container that can be sealed so you can bring it to your local recycling center. Do not dump the dirty oil in your garbage can or anywhere on the ground.

After changing your oil, it’s a good idea to turn on your car and let your engine run for about 30 seconds before you check the oil level. This will give you a more accurate measurement, and you’ll be able to top it off if necessary.

MORE:

Basic car maintenance schedule

Don't forget regular insurance policy maintenance

Regular oil changes are an essential part of car maintenance for your 2015 Cadillac ATS 2.0. Full and clean oil helps to ensure a long and healthy life for your engine and reduces maintenance and repair costs for the lifespan of your vehicle.

Regularly maintaining your car insurance

policy works similarly. Best of all, shopping for

car insurance

has never been easier.

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