Two SUVs with some similarities, but otherwise different in most aspects such as the powertrain, starting price, horsepower, fuel economy, maximum occupancy, ground shadow size, and height. First of all, the 2015 Ford Expedition has a more powerful engine than the 2016 BMW X5 Diesel, and it gets 8 fewer miles on a gallon of fuel. Also, there is a $17,530 difference in the base MSRP. The 2016 X5 Diesel has a higher starting price than the 2015 Expedition. In addition, the X5 Diesel body is slightly smaller than the Expedition, and in addition to that, it's also shorter. And then, there is a difference in the number of passengers; the Ford Expedition seats three more the BMW X5 Diesel. Among similarities is the body structure.