Exceeding the European as well as USA industry standards, Pennzoil Platinum Full Synthetic Motor Oil comes with exceptional protective additives that ensure optimal engine protection such as API SM, ILSAC GF-4, or SCEA performance. Pennzoil Platinum is something designed to offer an excellent level of protection even under serious driving situations and styles. So, not only the Pennzoil ultra platinum is Dexos approved but also the SAE 5W-30 viscosity grade is Dexos approved making it compatible with Chevrolet, GM Buick, GMC, and Cadillac vehicles. Being Dexos approved, these oils are open to a wide range of possibilities. It only prevents harmful high-temperature deposits but also enables protection against viscosity breakdown. Besides, these oils make it easier to start up easily in low temperatures. Moreover, they are one of the perfect choices available due to the reduction of CO2 exhaust emissions they offer.