Two Sedans with more similarities, such as the body structure, market segment, starting price, fuel economy, ground shadow size, height, and maximum occupancy, than differences, like the horsepower. And finally, the 2016 Maserati Quattroporte produces fewer horsepower than the 2015 Mercedes-Benz S-Class Sedan. Among similarities are the body structure, market segment, starting price, fuel economy, ground shadow size, height, and maximum occupancy.