The 2012 GMC Sierra 1500 haS4.3 L V6, 4.8 L V8, 5.3 L V8 or 6.2 L V8 engines that should use 5W-30 Synthetic Motor Oil in all temperatures. The capacity for the truck iS6 quarts with a filter for all engines except for the 4.3 L V6 which calls for 4.5 quarts with a filter. They all use a torque of 18 ft/lbs for the drain plugs. The oil in the Sierra should be changed every 5,000 miles because it will go bad after a while. The cost of an oil change is between $30 and $40 in labor costs with extra for the price of parts. Changing the oil and the filter should take less than 15 minutes.
Mara D.
January 2, 2020
The approved engine oil is the SAE classification 5W-30 for the 2012 GMC Sierra 1500. The 2012 GMC Sierra 1500 engine oil capacity is 6 US quarts (5.7 liters) for all engine except the 4.3L engine which requires 4.5 quarts (4.3 liters).
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