Two Pickups with more similarities, such as the body structure, starting price, fuel economy, ground shadow size, height, and maximum occupancy, than differences, like the horsepower. And finally, the 2016 Ram 1500 Regular Cab pulls more horsepower than the 2015 Chevrolet Silverado 1500 Regular Cab. Among similarities are the body structure, starting price, fuel economy, ground shadow size, height, and maximum occupancy.