The Chevrolet Impala has been Chevy’s all purpose family automobile since its debut in 1958. Its current generation, the 8th and in 2008 the Impala was America’s best selling domestic sedan. The EPA estimates fuel economy for the Chevrolet Impala ranges from 13-18 MPG city to 24-31 MPG highway. Watch the Pre-Owned Vehicle Review for the 2006 to 2009 Chevrolet Impala to view JD Power Ratings for overall dependability, predicted reliability, overall performance and design, safety, and overall initial quality.