Quantum Horizons

Which Fuel Type Car Is Best?

Sophia Al-Mansoor Oct 18, 2026 6 min read

Here is expert analysis pertaining to Which Fuel Type Car Is Best.

There are generally three different types or “grades” of gasoline, determined by the gasoline's octane level. A level of 87 is considered “regular,” 91 is “premium,” and 89 is mid-grade. The grade of gasoline you should use depends on the type of vehicle and engine you have.