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When performing an oil change on a 2012 Dodge Durango, it's important to know which engine your vehicle is equipped with. The 3.6L engine requires 5W-30 oil and has a capacity of 6 quarts. For the larger 5.7L engine, 5W-20 oil is used with a capacity of 7 quarts. The reason for the different oil specifications for the same vehicle is that a bigger engine usually needs a thinner oil. The thicker the oil's viscosity, the more effort is needed to circulate it. Using the incorrect type of oil could lead to increased wear on the engine components, potentially causing premature failure.
The recommended engine oil for the 2012 Dodge Durango includes SAE 5W-30 for the 3.6L engine and SAE 5W-20 for the 5.7L engine. The oil capacity for the 3.6L engine is 6 US quarts (5.6 liters) and for the 5.7L engine, it is 7 US quarts (6.6 liters).