Two Sedans with more similarities, such as the body structure, market segment, ground shadow size, height, and maximum occupancy, than differences, like the model year, starting price, horsepower, and fuel economy. First of all, there is a notable difference in the starting price of the 2013 Cadillac XTS, which is $4,925 less than the base MSRP of the 2016 Kia K900, which is three model years newer. And finally, the 2016 K900 has bigger and thirstier engine; the 2013 XTS gets 1.5 more mpg. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.