Mineral: As the most basic type of motor oil, mineral oil is also the least expensive. However, it does not undergo filtering and therefore contains impurities that can harm your engine.
Synthetic: Synthetic oils go through special treatment to remove impurities, which helps improve performance and reduces the risk of damaging your engine. However, this extra step adds to the cost, making synthetic the most expensive motor oil option.
Synthetic blend: Semi-synthetic oils are a middle ground between mineral and synthetic oils that are higher in quality than mineral oils but less costly than synthetic options.
High-mileage: This type is a synthetic oil that is designed specifically for vehicles that have traveled long distances.