Impala LTZ, 4D Sedan, 3.6L, 6-Speed Automatic Electronic with Overdrive, FWD, Silver, and Gray w/Front Leather Seating Surfaces. Flex Fuel! Tired of the same tiresome drive? Well change up things with this gorgeous 2012 Chevrolet Impala. When H2O starts showing up in the weather forecast, the FWD power delivery will help keep you in control of things.