If you're buying premium gasoline for a vehicle that doesn't require it, you may be wasting your money, according to AAA.
"It's still important to remember that if your vehicle requires the use of premium gasoline, that you should still use it", said Jenkins.
Gas prices are forecast to gradually decline over the next two months, but are higher than they have been in recent years.
Interestingly, according to AAA's research, this myth is so hard to extinguish because it holds a grain of truth in it-AAA found that fuel economy did increase in the vehicles tested, but by a tiny amount: an average of just 2.7%; and horsepower did rise, but by a similarly piddly amount: an average of just 1.4%.
"Based on AAA's testing, vehicles that only recommend premium gasoline can't take full advantage of higher octane fuel and, as a result, the benefit that comes from upgrading to premium gasoline may not offset its high cost", Nielsen said.
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The average price in MI on December 11 was 26.2% - $2.513 a gallon for regular and $3.171 for premium, according to. The results showed the pricier gas only provided modest improvements in performance and fuel economy compared to when those vehicles were fueled up with regular.
AAA said vehicles showed less than a 3 percent gain in miles per gallon and horsepower despite premium fuel's additional 20 percent to 25 percent cost.
In a study released previous year, AAA found consumers wasted almost $2.1 billion fueling vehicles that neither recommended or required premium gasoline.
Because prices for premium vary greatly across the USA, both AAA and GasBuddy urge drivers to shop around for the best prices.
Motorists in Butts County reported Tuesday paying lows of $2.21 to $2.22 per gallon, according to the price-tracking website GasBuddy.com. It will run just fine on Regular under most circumstances, he said. Kansas gas prices have fallen 13 cents in the past month, and the state now has the 11th lowest gasoline prices in the nation. For this latest research, AAA partnered with the Automobile Club of Southern California's Automotive Research Center to determine what, if any, benefit premium gasoline offers vehicles that recommend, but do not require, the use of premium gasoline.