* 3.0L V6: This engine requires regular unleaded gasoline.
* 3.0L Turbo V6: This engine also recommends regular unleaded gasoline, although some owners find slightly better performance with mid-grade. However, regular unleaded is what the manufacturer specified.
Always check your owner's manual for the most accurate and up-to-date information. The manual will definitively state the recommended fuel octane rating for your specific Stealth model.