Two Pickups with more similarities, such as the body structure, fuel economy, height, and maximum occupancy, than differences, like the starting price, horsepower, and ground shadow size. First of all, there is a $7,495 difference in the base MSRP. The 2018 Ram 2500 Mega Cab has a higher starting price than the 2018 Toyota Tundra CrewMax Cab. Also, the 2018 2500 Mega Cab pulls more horsepower than the 2018 Tundra CrewMax Cab. And finally, the 2500 Mega Cab has a slightly larger body than the Tundra CrewMax Cab. Among similarities are the body structure, fuel economy, height, and maximum occupancy.