2015 Ram 1500 5.7L Engine Oil Capacity

The 2015 Ram 1500 5.7L engine has an oil capacity of about 7 quarts. Learn more oil change specs here.
Written by Melanie Krieps Mergen
Reviewed by Melanie Reiff
The 2015 Ram 1500 offers a combination of interior comfort and strong full-size pickup performance. But to keep your Ram 1500’s performance at its peak, you may want to know its engine oil capacity.
Ensuring you stay on top of basic maintenance tasks like oil changes is one of the most effective things you can do to extend your vehicle’s lifespan and keep your engine in good working order. When it comes to oil changes specifically, you could even opt to save some money by taking care of it yourself if you feel comfortable—but to do so, you’ll need to know its engine oil capacity and required oil type.
Here to give you the rundown on these oil change specs is
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2015 Ram 1500 5.7L engine oil capacity

Different vehicles can come with different engine options, and that in turn can affect what their engine oil capacity is.
But don’t be fooled! The 2015 Ram 1500’s 5.7-liter engine isn’t 5.7 liters. This is actually your engine’s displacement or the combined volume of the engine cylinders.
If you refer to your owner’s manual, you’ll learn that your 2015 Ram 1500 5.7-liter engine oil capacity is actually about 7 quarts or 6.6 liters.

What kind of oil does a 2015 Ram 1500 5.7L engine need?

Your Ram’s engine type can also influence what kind of engine oil requires.
The 2015 Ram 1500’s 1500 5.7-liter engine needs 5W-20 engine oil. The “5” here refers to the engine oil’s viscosity (thickness) at lower temperatures before vehicle startup, while the “20” refers to its thickness at normal engine operating temperatures.
Does brand matter? Ram recommends opting for MOPAR, Pennzoil, or Shell Helix engine oil with the required specifications as the first choices. What’s most important is that the engine oil you choose meets the specifications listed in your owner’s manual, including the correct viscosity grade
Synthetic oil is okay to use, too, as long as it meets the necessary requirements.
  • A Ram-approved option: Ram recommends
    MOPAR engine oil
    as a first pick when you’re ready for an oil change.

How often to change oil on a 2015 Ram 1500 5.7L engine

When you should actually change the oil on your 2015 Ram 1500 can vary depending on what driving conditions you’ve experienced and what type of engine oil you’re using.
Generally, it’s recommended that you change your vehicle’s engine oil every 3,000 to 5,000 miles if you’re using conventional oil, or every 7,500 to 10,000 miles if you’re using synthetic oil. If you’re driving more infrequently, you may still want to change your engine oil at least every six months to make sure the engine oil circulating through the system stays clear of debris.
If your Ram 1500 has been under more severe conditions, like extended idling periods, driving on dusty dirt roads, or towing heavy loads, you might end up needing to change your engine oil sooner than you’d otherwise have to. Your Ram 1500 has an indicator light that monitors engine operating conditions and will illuminate when it’s time to get an oil change, but it’s still a good idea to keep tabs yourself on how long you’re driving between oil changes.
It’s also a good idea to routinely monitor your engine oil so you know how it’s doing. Your owner’s manual recommends doing so about once a month. If your 2015 Ram 1500 is ready for an oil change, these are some symptoms you might notice: 
  • Motor oil is now black or dark brown in color (as opposed to light brown, the color of fresh engine oil)
  • Motor oil now has a grainy texture, indicative of excess debris buildup that can be harmful to your engine
  • Rougher engine performance 
  • You notice oil or burning scents coming from the engine

How to change your oil and oil filter

Once it’s time to change your Ram 1500’s engine oil, you’ll have to gather some supplies. Those should include:
  • A socket wrench
  • An oil filter wrench
  • Fresh engine oil
  • A new washer for your drain bolt
  • A funnel
  • A drain pan
  • Towel(s) for cleaning up
Before getting started, you’ll also want to have a plan for how to properly dispose of your used engine oil since it’s a hazardous material. You can’t just dump it down your drain or throw it out with your regular trash, but cities often have drop-off locations where you can recycle it, and so do many auto shops and car dealerships.
Once you have that sorted out and you’ve gathered everything you need, you can begin by running your engine for a few minutes to heat up the oil for easier draining. Then, you can turn off the engine, open up your hood, and get your Ram’s engine oil change underway:
  • Under the hood, remove the oil fill cap
  • Underneath your vehicle, remove your drain bolt and washer and let the engine oil empty into the drain pan
  • Remove your old oil filter and replace it with the new one
  • Once your oil has finished draining, replace the drain bolt with a new washer
  • Add fresh engine oil to the necessary fill level
  • Replace 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.
Once you’ve gotten this far, you can run your engine for a few minutes again and check around for any leaks. After you turn off your engine and let it cool down again, you can check your oil level one last time to make sure it’s still where it should be, topping it off if you need to.

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