Two Pickups with more similarities, such as the body structure, starting price, fuel economy, ground shadow size, height, and maximum occupancy, than differences, like the model year and horsepower. First of all, the 2013 F-150 Regular Cab produces fewer horsepower than the 2016 1500 Regular Cab. Among similarities are the body structure, starting price, fuel economy, ground shadow size, height, and maximum occupancy.