The 2012 Mazda3 uses SAE 0w-20 oil. The 2.3l engine has a capacity of 6 quarts while the 2.5l can hold 5.3 quarts. Oil keeps the internal parts of Your engine cool and lubricated and it also keeps the moving parts from grinding against each other thereby reducing wear and damage. The cost of an oil change for Your Mazda3 is between $60 and $80 for labor and parts. You should get an oil change every 7,500 miles You will know that it is time for an oil change if You notice increased engine noise, shaking while idling, excess vehicle exhaust, an oil smell inside the vehicle and of course if You see the Check Engine or Oil Change lights come on.
Mara D.
January 2, 2020
The approved engine oil is the SAE classification 5W-30 for the 2012 Mazda 3 2.3L engine. The approved engine oil for the 2012 Mazda 3 2.0L and 2.5L is SAE 0W-20. The 2012 Mazda 3 2.3L engine oil capacity is 6 US quarts (5.7 liters), the 2.5L engine oil capacity is 5.3 US quarts (5.0 liters) and the 2.0L engine oil capacity is 4.5 US quarts (4.2 liters).
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