super unleaded
Better grade gasoline
Super unleaded is a grade of gasoline with a higher octane rating than regular unleaded, typically 91 or above.
Higher octane fuel resists premature ignition, which some engines require for optimal performance: My car runs better on super unleaded.
Also called premium or super premium.
- premiumAdded cost for better
- premium blendSuperior quality mixture
- gasolineRefined petroleum vehicle fuel
- octanePetroleum hydrocarbon measure
- pumpFluid-moving machine
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