Two SUVs with more similarities, such as the body structure, market segment, and height, than differences, like the starting price, horsepower, fuel economy, and maximum occupancy. First of all, the 2016 Cadillac SRX is priced $4,960 lower compared to the base MSRP of the 2015 Acura MDX. Also, the 2016 SRX has a more powerful engine and gets 3.5 mpg less than the 2015 MDX. And finally, there is a difference in the number of passengers; the MDX seats two more the SRX. Among similarities are the body structure, market segment, and height.