The 2017 Mazda3 oil type and capacity is 0w-20 and 4.4 quarts. Your oil needs to be changed eventually. Every 5,000 to 10,000 miles is a good rule of thumb. If You don't change it, there will be problems with the engine. Having high quality oil is key for the engine to run smoothly. You will run into issues with the oil at some point. A common problem is an awful burning smell. This needs to be inspected as soon as possible or the car might explode. Bad oil can cause the engine to stop working. You could experience terrible gas mileage. Knocking noise may come about from the engine.
Mazda owner
November 9, 2020
Do not listen to Pat The Mazda 3 is not an SUV
Pat T.
January 2, 2020
The proper oil type for the 2017 Mazda 3 is full synthetic SAE 0W-20 motor oil. The SUV's oil capacity is 4.4 quarts for the 2.0L 4-cylinder engine and 4.8 quarts for 2.5L 4-cylinder engine, both with fresh filters.
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