Two Hatchbacks with more similarities, such as the body structure, height, and maximum occupancy, than differences, like the starting price, horsepower, fuel economy, and ground shadow size. First of all, there is a $23,055 difference in the base MSRP. The 2015 BMW 3 Series Gran Turismo has a higher starting price than the 2016 Subaru Impreza Hatchback. Also, the 2015 3 Series Gran Turismo has a more powerful engine and gets 4.5 mpg less than the 2016 Impreza Hatchback. And finally, the 3 Series Gran Turismo has a slightly larger body than the Impreza Hatchback. Among similarities are the body structure, height, and maximum occupancy.