Two Sedans with some similarities, but otherwise different in most aspects such as the modifications, horsepower, model year, ground shadow size, and maximum occupancy. First of all, the 2014 E-Class Sedan E63 AMG 4MATIC S-Model pulls more horsepower than the 2016 Quattroporte. Also, the Quattroporte has a slightly larger body than the E-Class Sedan E63 AMG 4MATIC S-Model. In addition, you'll seat two more passengers in the Mercedes-Benz E-Class Sedan E63 AMG 4MATIC S-Model than in the Maserati Quattroporte. Among similarities are the body structure, market segment, starting price, fuel economy, and height.