Two Sedans with some similarities, but otherwise different in most aspects such as the modifications, starting price, horsepower, fuel economy, and ground shadow size. First of all, there is a $79,050 difference in the base MSRP. The 2015 Bentley Mulsanne has a higher starting price than the 2016 Mercedes-Benz S-Class Sedan S 65 AMG. Also, the 2016 S-Class Sedan S 65 AMG has a more powerful engine than the 2015 Mulsanne, but it gets 2 more miles on a gallon of fuel. In addition, the body structure of Mulsanne is slightly larger than that of the S-Class Sedan S 65 AMG. Among similarities are the body structure, market segment, height, and maximum occupancy.