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 is a newer vehicle by 2 model years. And finally, the 2016 1500 Regular Cab has a more powerful engine than the 2014 Tundra Regular Cab, but it gets 3.2 more miles on a gallon of fuel. Among similarities are the body structure, starting price, ground shadow size, height, and maximum occupancy.