Two SUVs with more similarities, such as the body structure, starting price, ground shadow size, and height, than differences, like the horsepower, fuel economy, and maximum occupancy. First of all, the 2015 Chevrolet Traverse has a more powerful engine and gets 4.5 mpg less than the 2016 Mazda CX-9. And finally, the 2015 Traverse seats one more passenger than the 2016 CX-9. Among similarities are the body structure, starting price, ground shadow size, and height.