Two Pickups with more similarities, such as the body structure, starting price, height, and maximum occupancy, than differences, like the ground shadow size and horsepower. First of all, the 2018 Ford F-350 Super Duty Crew Cab has a more powerful engine than the 2018 Ram 3500 Crew Cab. And finally, the 2018 F-350 Super Duty Crew Cab has a significantly larger body than the 2018 3500 Crew Cab. Among similarities are the body structure, starting price, height, and maximum occupancy.