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 a notable difference in the starting price of the 2017 Toyota Tundra CrewMax Cab, which is $9,195 less than the base MSRP of the 2017 Ram 3500 Mega Cab. Also, the 2017 3500 Mega Cab pulls more horsepower than the 2017 Tundra CrewMax Cab. And finally, the body structure of 3500 Mega Cab is slightly larger than that of the Tundra CrewMax Cab. Among similarities are the body structure, height, and maximum occupancy.