Two Pickups with some similarities, but otherwise different in most aspects such as the model year, starting price, horsepower, ground shadow size, height, and maximum occupancy. First of all, the 2013 Toyota Tacoma Access Cab is priced $7,300 lower compared to the base MSRP of the 2016 GMC Sierra 1500 Regular Cab, which is newer by three model years. Also, the 2016 Sierra 1500 Regular Cab pulls more horsepower than the 2013 Tacoma Access Cab. In addition, the Sierra 1500 Regular Cab body is slightly larger than the Tacoma Access Cab, and in addition to that, it's also taller. And finally, there is a difference in the number of passengers; the GMC Sierra 1500 Regular Cab seats two more the Toyota Tacoma Access Cab. Among similarities are the body structure and fuel economy.