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 bigger and thirstier engine; the 2016 HR-V gets 5 more mpg. Also, the HR-V has a slightly smaller body than the Compass. Among similarities are the body structure, starting price, height, and maximum occupancy.