Two Pickups with more similarities, such as the body structure, starting price, height, and maximum occupancy, than differences, like the model year, horsepower, fuel economy, and ground shadow size. First of all, there is a difference in model years. The is 2 years newer. Also, the 2014 Tundra Regular Cab has a more powerful engine than the 2016 Silverado 1500 Regular Cab, and it gets 3.5 fewer miles on a gallon of fuel. And finally, the Silverado 1500 Regular Cab is slightly smaller than the Tundra Regular Cab. Among similarities are the body structure, starting price, height, and maximum occupancy.