2015 Buick Enclave Engine Oil Capacity

The 2015 Buick Enclave needs 6 quarts of 5W-30 motor oil. Read on to learn more.
Written by Olivia Rose
Reviewed by Melanie Reiff
With a powerful V6 engine and a classy aesthetic, the 2015 Buick Enclave is perfect for small families seeking comfort and style. Make sure you know this car’s engine oil capacity to keep it well maintained and fuel-efficient. 
Changing the oil in your car is one of the most essential ways to maintain your engine—and doing it yourself can help you save some money. (And we’ll be honest, sometimes it’s actually fun!)
But there’s a learning curve. That’s why
, the car insurance guru and
trustworthy super app
that brings you free quotes in less than a minute, is here to help out. We’ll go over the engine oil type and oil capacity for the 2015 Buick Enclave, plus provide tips on how and when to change your oil and how to save on your
Buick Enclave insurance costs
We promise—you’ll be an expert in no time. 

2015 Buick Enclave engine oil capacity

The 2015 Buick Enclave has an engine oil capacity of 6 quarts or 5.7 liters
When we talk about car engines and use measurements in liters, you might think of your Enclave’s engine displacement. But don’t mix it up with oil capacity! Your 2015 Enclave’s engine displacement—3.6 liters—refers to the amount of space its cylinders take up.
Regardless, 6 quarts (or 5.7 liters) of oil are needed in your oil tank. 

What kind of oil does a 2015 Buick Enclave need?

Motor oil is distinguished by viscosity, and each engine needs a slightly different viscosity to function optimally. The 2015 Buick Enclave uses 5W-30 motor oil. If you’re wondering what that designation means, here’s the lowdown. 
The “W” stands for winter, and the number 5 in front of it tells us that this oil has a relatively low viscosity at 0°F. The number 30 tells us that this oil is still relatively thin at 212°F (an engine’s normal operating temperature). 
Essentially, this motor oil is stable in a range of different temperatures, and it will keep your Enclave’s engine healthy because of that. 
Generally, synthetic motor oil causes less wear and tear to your car. And while it’s more expensive than conventional motor oil, you don’t need to change it as often—so it’s especially a great option when you are doing your own oil changes for your Buick Enclave. 
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How often to change the oil on a 2015 Buick Enclave

recommends changing the oil in your 2015 Enclave every 3,000 to 5,000 miles. If you don’t drive far or often, every 6 months is also a good benchmark. 
But those are big ranges—and depending on the condition of your Buick, you might need more frequent changes. Here are some signs that your engine oil might need changing:
  • Oil is brown and dark rather than a light amber color
  • Oil is gritty or coarse
  • New smells coming from your engine, especially the
    smell of oil
  • Unexplained changes in vehicle performance, such as decreased fuel efficiency
  • New sounds coming from your engine

How to change your oil and oil filter

Now that you know whether it’s time to change your oil, you can start gathering supplies! For a 2015 Enclave oil change, you’ll need a socket wrench, filter wrench, and a drain pan to catch the dirty oil. You’ll also need a new washer for the drain bolt and a
replacement oil filter
And, most importantly, get yourself at least 6 quarts of 5W-30 synthetic motor oil
Now put on a pair of clothes that can get dirty and follow these steps:
  • Turn on your engine and run it until it reaches a normal operating temperature, or until the needle is halfway in between “H” and “C” on your engine temperature gauge.
  • Turn off your engine and pop the hood.
  • Unscrew the oil fill cap on your oil tank.
  • Go beneath the engine and unscrew the drain bolt, letting the dirty oil drain into a drain pan.
  • Remove the old oil filter and let the remaining dirty oil drain out completely.
  • Install the new oil filter
  • Screw on the drain bolt with a new washer.
  • Go back under your hood and fill your tank with 6 quarts of 5W-30 motor oil, verifying the amount with your oil dipstick.
  • Screw on the oil fill cap.
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.
You’re almost done—simply run your engine for a few minutes to check for any leaks.
Then, it’s clean-up time! Make sure to put your dirty oil in a sealed container and bring it to your local motor oil recycling center. Never pour dirty oil down the drain or into your trash can!

Don’t forget regular insurance policy maintenance

Since you’re an expert at changing the oil in your 2015 Buick Enclave, why not go the extra mile and rethink your
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