Two Pickups with more similarities, such as the body structure, starting price, ground shadow size, height, and maximum occupancy, than differences, like the horsepower and fuel economy. And finally, although the 2018 Ram 1500 Crew Cab has a more powerful engine than the 2018 Toyota Tundra CrewMax Cab, it gets 2.5 more mpg. Among similarities are the body structure, starting price, ground shadow size, height, and maximum occupancy.