Two Pickups with more similarities, such as the body structure, height, and maximum occupancy, than differences, like the starting price, horsepower, and ground shadow size. First of all, there is an $8,155 difference in the base MSRP. The 2016 Ram 2500 Mega Cab has a higher starting price than the 2016 Toyota Tundra CrewMax Cab. Also, the 2016 2500 Mega Cab has a more powerful engine than the 2016 Tundra CrewMax Cab. And finally, the body structure of 2500 Mega Cab is slightly larger than that of the Tundra CrewMax Cab. Among similarities are the body structure, height, and maximum occupancy.