Gas Class Breakdown
What Are the Three Classes of Gasoline and Their Differences?

Learn about the three classes of gasoline—Regular, Mid-Grade, and Premium—and which type is best for your vehicle based on octane ratings.

Gas Grades Explained
What Are the Different Grades of Gasoline and Their Uses?

Learn about the different grades of gasoline—Regular, Midgrade, and Premium—and how to choose the right one for your vehicle's optimal performance.

Gasoline Types 101
What Are the 3 Gasoline Types and Their Octane Ratings?

Learn about the 3 gasoline types—regular, mid-grade, and premium—and their octane ratings for better vehicle performance.