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, the 2013 Compass has a more powerful engine than the 2016 Trax, and it gets 3.7 fewer miles on a gallon of fuel. Also, the body structure of Trax is slightly smaller than that of the Compass. Among similarities are the body structure, starting price, height, and maximum occupancy.