Two Sedans with more similarities, such as the body structure, market segment, ground shadow size, height, and maximum occupancy, than differences, like the model year, horsepower, starting price, and fuel economy. First of all, the 2016 Honda Accord Sedan is priced $3,075 lower compared to the base MSRP of the 2013 Chevrolet Impala, which is older by three model years. And finally, the 2013 Impala has bigger and thirstier engine; the 2016 Accord Sedan gets 5 more mpg. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.