Two Sedans with more similarities, such as the body structure, market segment, fuel economy, ground shadow size, and height, than differences, like the model year, modifications, starting price, horsepower, and maximum occupancy. First of all, there is a notable difference in the starting price of the 2016 Cadillac CTS V-Sport Premium, which is $19,845 less than the base MSRP of the 2013 Mercedes-Benz E-Class Sedan E63 AMG, which is three model years older. Also, the 2013 E-Class Sedan E63 AMG pulls more horsepower than the 2016 CTS V-Sport Premium. In addition, you'll seat two more passengers in the E-Class Sedan E63 AMG than in the CTS V-Sport Premium. Among similarities are the body structure, market segment, fuel economy, ground shadow size, and height.