Two Pickups with more similarities, such as the body structure, starting price, ground shadow size, height, and maximum occupancy, than differences, like the model year, horsepower, and fuel economy. First of all, the 2016 Tundra Double Cab has bigger and thirstier engine; the 2013 F-150 SuperCab gets 1.5 more mpg. Among similarities are the body structure, starting price, ground shadow size, height, and maximum occupancy.