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For the complete story on regular vs. premium fuel visit AutoGuide.comWhen it’s time to top-off the tank, drivers are confronted with a dizzying variety of choices at the pump. There’s premium gasoline, mid-grade, regular and – depending on where you live – some even offer ultra-high octane, with a rating of 94 or above.
Octane numbers, ethanol content and diesel get thrown in the mix, while TV commercials shout about special cleaning additives and better fuel economy. What’s a motorist to do? Is premium fuel worth the extra cost over regular? It’s more expensive so it must be better, right?