Two Pickups with more similarities, such as the body structure, starting price, and fuel economy, than differences, like the horsepower, ground shadow size, height, and maximum occupancy. First of all, the 2015 Chevrolet Silverado 1500 Regular Cab pulls more horsepower than the 2016 Toyota Tacoma Double Cab. Also, not only 2015 Silverado 1500 Regular Cab is slightly larger, but it's also taller than the 2016 Tacoma Double Cab. And finally, there is a difference in the number of passengers; the Silverado 1500 Regular Cab seats one more the Tacoma Double Cab. Among similarities are the body structure, starting price, and fuel economy.