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The 2012 GMC Terrain has an oil capacity of 5.0 quarts for the 2.4L engine and 6.0 quarts for the 3.0L engine. GMC advises the use of SAE 5w-30 synthetic motor oil, which is superior for performance and engine protection with reduced friction. It is suggested to perform an oil change every 7,500 miles or annually, whichever comes first. Regular oil and filter changes are essential to remove debris and sludge from the engine. Neglecting oil changes can lead to various engine issues as the oil becomes thinner, rougher, and causes wear on critical engine components over time.
In 2012 GMC Terrain, the amount of engine oil needed depends on the engine size. For the 2.4L engine, you'll need 5.0 quarts (4.7 liters) of oil, while the 3.0L engine requires 6.0 quarts (5.7 liters). GMC suggests using SAE 5W-30 grade oil for the 2012 Terrain.