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 2016 Ram 1500 Regular Cab has a more powerful engine than the 2016 Toyota Tacoma Double Cab. Also, the 2016 1500 Regular Cab body is slightly larger than the 2016 Tacoma Double Cab, and in addition to that, it's also taller. And finally, the 1500 Regular Cab seats one more passenger than the Tacoma Double Cab. Among similarities are the body structure, starting price, and fuel economy.