The 2015 Ram ProMaster oil type and capacity iS5w-30 and 9.5 quarts. Your oil needs to be changed out someday. Every 5,000 to 10,000 miles or so is a good rule of thumb. If You don't replace it, there will be problems with the engine. Having high quality oil is essential for the engine to run smoothly. You will run into problems with the oil at some point. A common problem is an awful burning odor. This needs to be viewed closely as soon as possible or the car might explode. Old or bad oil can cause the engine to stop working. Knocking noise may arise from the engine. You could experience poor gas mileage.
Pat T.
January 2, 2020
The 2015 Ram ProMaster uses synthetic engine oil. The 3.0L 4-cylinder engine uses SAE 5W-30 and can hold 9.5 quarts. The 3.6L V6 engine uses SAE 5W-20 and takes up to 5.9 quarts.
Blake
October 1, 2023
Would it be a big deal if we used 10 20 oil ??
DJR
January 2, 2022
The user manual calls for 0-20 oil.
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