http://Platinum-Chevrolet.com 866-763-9980 The 2013 Chevy Impala comes with a 3.6-liter V6 that puts out a healthy 300 horsepower and 262 pound-feet of torque. A six-speed automatic transmission and front-wheel drive are standard on the 2013 Chevrolet Impala. EPA fuel economy estimates are 18 mpg city/30 mpg highway and 22 mpg combined. Great, great car!