Two SUVs with more similarities, such as the body structure, starting price, ground shadow size, and height, than differences, like the model year, horsepower, fuel economy, and maximum occupancy. First of all, a bigger engine usually means less mpg. But the 2016 Pilot has a more powerful engine and it gets 3 more mpg than the 2013 CX-9. Also, there is a difference in the number of passengers; the Pilot seats one more the CX-9. Among similarities are the body structure, starting price, ground shadow size, and height.