How much oil does the 2014 Cadillac XTS take?

The 2014Cadillac XTS oil capacity iS5.5 us quarts (5.2 liters) for the 3.6Liter without turbo and 6.6 quarts or 6.25 liters for the twin-turbo engine. Buick manufacturer advises consumers to use licensed engine oils with the dexos1® approved certification mark. The proper oil type for the vehicle is an SAE 5w-30 full synthetic for the 3.6L v6 engine. 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 engine when running during extensive use will also burn the oil throughout so You will need to inspect the oil levels to make sure it is not burning up. Make sure if You are replacing oil that You also replace the oil filter as well. 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 vehicle now to remind You.