The 2012 buick enclave's3.6l v6 engine runs at peak performance with synthetic oil sae 5w-30 (0w-30 for -20 degrees f.) the oil capacity for the enclave is6 quarts, with a dry filter. when you are replacing the oil always make sure to change the filter as well and check the oil level after refilling to make sure you are at the recommended level on the dipstick. when servicing your car you should replace the engine oil and filter every 3000 - 5000 to ensure your engine is at its peak performance. not changing the oil causes the oil to lose its viscosity and will not properly lubricate the internal parts of the engine such as the pistons and cylinders. the oil change is one of the most important service intervals to keep up on and that is why they have the oil light in the truck now to remind you.
The engine oil capacity of the 20120 buick enclave is about 6 quarts.