Quiz: What are the advantages of using synthetic oil in an engine? March 21, 2025 by Alex Turner What are the advantages of using synthetic oil in an engine? Discover more about Vehicle Engine and Automobile at our home page. A) Synthetic oil provides better engine protection at high temperatures. B) Synthetic oil is less expensive than conventional oil. C) Synthetic oil requires more frequent changes than conventional oil. D) Synthetic oil decreases fuel efficiency. Submit Answer