Quaker State Full Synthetic 5W-30 motor oil delivers strong engine performance and protection against deposits between oil changes. It's designed to protect today's sophisticated engines, including modern turbocharged engines. Quaker State Full Synthetic motor oil is the best of the Quaker State portfolio. It can be used in both new and older vehicles, especially high performance vehicles such as sports cars, SUVs, trucks, and minivans. Additionally, Quaker State Full Synthetic 5W-30 is compatible with biofuels ranging from E10 to E85 and is suitable for hybrid engines. It provides high resistance to oxidation, keeping the oil fresher for longer, and it reduces friction to maximize horsepower in your vehicle (compared to Quaker State conventional and synthetic blend motor oils).