The document provides details on the different trim levels of the Chevrolet Impala. It lists the standard and available features for each trim level, from the base LS model up to the high-performance SS. Some highlights include the 3.5L V6 engine offered in lower trims with E85 flex-fuel capability. Higher trims add more luxury and convenience features such as leather seats, navigation, and hands-free Bluetooth. Safety features like airbags and stability control are standard across all trims. The Impala comes with a 100,000 mile powertrain warranty and roadside assistance package.