Turns out 'recommended' Premium gas doesn't do much

Turns out Premium gas doesn't do much

If you're buying premium gasoline for a vehicle that doesn't require it, you may be wasting your money, according to AAA.

"There's no question that higher-octane premium fuel has the potential to boost a vehicle's fuel economy and performance, however, engines have to be calibrated to require that fuel to see the full benefit", John Nielsen, AAA's Managing Director of Automotive Engineering and fix, said in a statement.

The fuel economy improvements recorded during AAA testing do not offset the potential extra cost to purchase premium gasoline. "AAA already proved that there is no benefit to using premium gasoline in cars created to run on regular".

Some 1.5 million cars and trucks were sold in the USA past year that advise motorists to use premium gas.

Locally, the average price for one gallon of unleaded gas December 10 was $2.24 - three cents per gallon lower than the previous week.

So even if the manufacturer recommends it, premium gas may not be worth it, given the premium price, AAA researchers have concluded. The vehicles AAA tested averaged just a 1.4% increase in horsepower.

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Still, you might want to spring for Premium sometimes, said Bill Studzinski, a fuels expert with General Motors, the company that makes the Escalade. Individual drivers - particularly if their driving style can be described as "spirited" - may find an improvement in vehicle driving performance for off-the-line acceleration, highway passing, hill-climbing when loaded with luggage, or towing a trailer; and may determine that their personal driving benefits from the use of premium gasoline.

AAA also looked at horsepower output.

"I have a Mustang Cobra that I have to use premium in because I really tell difference in power and stuff".

If you're not sure whether your auto requires or just recommends premium fuel, you can find that information in your manual. These vehicles could sustain damage from prolonged use of Regular gasoline. Higher levels of octane allow engines to run at higher compression ratios without knocking. That means filling up a 20 gallon tank would cost an additional $10 when using premium fuel.

In any event, to save money on gas and prevent straining your engine, follow the recommendations in the owner's manual.

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