The 2013 Chevy Impala holds seventeen gallons of gas. This model of car receives eighteen miles per gallon in the city and thirty miles per gallon on the highway. The 2013 Impala has a 3.6 liter engine V-6 engine, 300 horsepower, and a towing capacity of 1,000 pounds. The Impala is available in a variety of colors and has been a long selling car for Chevy. The price for the new Impala ranges from $21,398 to $26,195, depending on additional options which are selected.