Mechanics

GAS MILEAGE

2009 Chevrolet Impala • 6 cylinder FWD Automatic • 28,500 miles

I have a 2009 Chevy Impala. Since Nov. My gas mileage has been averaging between 22-24 mpg. I took it to the dealership and they say nothing is wrong. The car was originally titled in Hawaii. Its not showing any codes.
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Ixonia
January 25, 2011.




Honestly, gas mileage depends on too many factors to really "depend" on what the EPA says it should be. The 3.5-liter V-6 is rated at 18 mpg in the city and 29 mpg on the highway and the 3.9-liter is 17 mpg in the city and 27 mpg on the highway. So your 22 to 24 mpg isn't unrealistic, especially if your driving style has changed. On a side note, is the Impala a Flexible Fuel Vehicle? If so and you are running E85 gasoline, this sharply decreases your fuel economy.

Cup1981
Apr 23, 2011.


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