Two Pickups with more similarities, such as the body structure, starting price, height, and maximum occupancy, than differences, like the horsepower and ground shadow size. First of all, the 2015 Chevrolet Silverado 2500HD Double Cab pulls more horsepower than the 2016 Toyota Tundra CrewMax Cab. And finally, the 2015 Silverado 2500HD Double Cab is slightly larger than the 2016 Tundra CrewMax Cab. Among similarities are the body structure, starting price, height, and maximum occupancy.