Two Sedans with more similarities, such as the body structure, starting price, height, and maximum occupancy, than differences, like the horsepower, fuel economy, and ground shadow size. First of all, the 2015 Ford Fiesta Sedan has a more powerful engine than the 2016 Scion iA, and it gets 4 fewer miles on a gallon of fuel. And finally, the body structure of 2015 Fiesta Sedan is slightly larger than that of the 2016 iA. Among similarities are the body structure, starting price, height, and maximum occupancy.