The Chevrolet Impala is a full-size sedan, and it is the largest sedan in the Chevrolet lineup. This vehicle is capable of seating five adults in a comfortable manner. The Impala is noted for its powerful performance and its ease of steering. For the 2020 model year, the Impala will see few changes. The main difference that drivers will notice is that the base LS model from previous years will not be offered in 2020.