Chevrolet Impala Engine Poor Mileage

I Am Getting 12-13 Mpg Fuel Efficiency From My Car On Average. This Seems Low To Me. Can I Do Something To Improve It?

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...

Was Getting 32.4 Mpg On Highwat And 21 Mpg In Town. Had Oil And Filter Changed At Dealers And Mileage Went To 17 Mpg On Highway And 12 In...

Hi I Had My Car Diagnosed A Few Months Ago And Was Told The Fuel Pump Was Going. I Have Noticed Lately That Gas Milage Is Bad. Is That...

When Driving, Idling, Accelerating The Car Seems To Stutter. I'd Guess Mis-firing, But The Plugs And Wires Have Been Changed. I Have Also...

Engine Performance Problem 2000 Chevy Impala 6 Cyl Front Wheel Drive Automatic 100k Miles My 2000 Impala Was Bought Used 4k Miles Ago...

We Have Owned The Car Since New. In The Past 2 Years The Gas Mileage Has Gone From 22 - 24 To 18. We Have Had It To The Dealer And Spent...

2004 Chevy Impala,v6 3400 Sfi.it Has 55000 Miles.automatic Trans.i Have Recently Purchased This Car 4 Days Ago It Is Still Under Warranty...

I Just Purchased A 1999 Hyundai Accent From A Used Car Dealer With 74500 Miles. Based On What I Have Read Online I Was Expecting To Get 30...