Two Pickups with more similarities, such as the body structure, starting price, and height, than differences, like the model year, horsepower, and maximum occupancy. First of all, the 2021 Gladiator produces fewer horsepower than the 2014 2500 Crew Cab. Also, there is a difference in the number of passengers; the 2500 Crew Cab seats one more the Gladiator. Among similarities are the body structure, starting price, and height.