Is premium gas really worth $208.00 more per year? Do you get better mileage or fuel economy with premium? Does premium gas make your car run better? It will cost you $208.00 annually if you fill your car with premium gas instead of regular. The difference between regular fuel and premium fuel is about twenty cents per gallon. Therefore it will cost you $4.00 more per tank if you use premium gasoline instead of regular gasoline. This assumes you have a 20 gallon tank and you fill up about once per week. Looking at the higher octane question of increased fuel economy, does it help? The bottom line answer is emphatically no!! High octane premium gas does not increase fuel economy one bit. The octane rating is a number that has nothing to do with how efficient it is in creating energy to run your engine. The octane rating of gasoline is a relative number showing the amount of isooctane in the gasoline as opposed to the amount of heptane in the gasoline. To make it simple, the octane rating is a representation of how much energy it takes to ignite that gasoline. This octane measurement does not indicate the amount of energy the gasoline produces, which would be an indicator of fuel economy. The final answer is:octane rating and increased fuel economy have no relationship whatsoever! The next question, does premium gas make your car gain performance, does it run better? The answer is the same as the fuel economy answer, no!! It has been shown that there is no significant difference in the way your car runs if you use premium gasoline. I have to add this one caveat, in regards to performance gain, there is the possibility that your vehicle could show a little horsepower gain with premium gas as opposed to regular gas but it would be so small that it would be almost impossible to notice. This small increase in horsepower really only is there because it can give car makers a little extra marketing fodder by using a claim on horsepower as part of their advertising. Automakers can market their cars with a higher horsepower statistics by designing and optimizing their engines to take advantage of higher octane fuel anti-knock properties. Engineers generally agree that if you use regular gas in an engine designed for premium, the horsepower loss is so small, that it is almost impossible to detect. What if your car manufacturer recommends that you use premium? In this case burning regular instead of premium won't void the warranty, nor damage the engine, most automakers say. Next time you go to fill up try regular instead of premium. You will immediately save $4.00. See how your car performs with the regular. If it runs fine and you don't hear any knocking continue to use regular. You could save $200.00 per year!
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