Two SUVs with more similarities, such as the body structure, starting price, height, and maximum occupancy, than differences, like the model year, horsepower, fuel economy, and ground shadow size. First of all, there is a difference in model years. The is 3 years newer. Also, the 2016 Tiguan has bigger and thirstier engine; the 2013 Terrain gets 2 more mpg. And finally, the Terrain is slightly larger than the Tiguan. Among similarities are the body structure, starting price, height, and maximum occupancy.