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|MPG||Number of Vehicles|
|20 miles per gallon||1 vehicles|
|21 miles per gallon||0 vehicles|
|22 miles per gallon||1 vehicles|
|23 miles per gallon||0 vehicles|
|24 miles per gallon||1 vehicles|
|25 miles per gallon||0 vehicles|
|26 miles per gallon||2 vehicles|
|27 miles per gallon||6 vehicles|
|28 miles per gallon||8 vehicles|
|29 miles per gallon||3 vehicles|
|30 miles per gallon||1 vehicles|
|31 miles per gallon||0 vehicles|
|32 miles per gallon||0 vehicles|
|33 miles per gallon||1 vehicles|
|2011||2011 4dr Sedan 211-hp 3.5L V6 4-sp automatic FWD||27.36||
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|With the 196-horsepower 2.5L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2011 Chevrolet Impala has been averaging 27.36 MPG (miles per gallon).
The 2011 Chevrolet Impalas in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 46.1 percent of the miles driven). The rest of the miles were in the city (16.4 percent), in heavy traffic (5.9 percent), and in the suburbs (0 percent).
In addition, the average 2011 Chevrolet Impala in this analysis was driven on flat terrain with a light foot and the AC not used at all.