Two Sedans with some similarities, but otherwise different in most aspects such as the modifications, horsepower, starting price, fuel economy, and ground shadow size. First of all, the 2016 Jaguar XF is priced $12,000 lower compared to the base MSRP of the 2015 Mercedes-Benz C-Class Sedan AMG C 63. Also, the 2015 C-Class Sedan AMG C 63 has bigger and thirstier engine; the 2016 XF gets 3 more mpg. In addition, the XF is slightly larger than the C-Class Sedan AMG C 63. Among similarities are the body structure, market segment, height, and maximum occupancy.