Two Pickups with more similarities, such as the body structure, starting price, height, and maximum occupancy, than differences, like the model year, horsepower, and ground shadow size. First of all, the 2014 F-350 Super Duty Regular Cab has a more powerful engine than the 2016 Tundra Double Cab. Also, the body structure of F-350 Super Duty Regular Cab is slightly larger than that of the Tundra Double Cab. Among similarities are the body structure, starting price, height, and maximum occupancy.