Two Pickups with more similarities, such as the body structure, ground shadow size, height, and maximum occupancy, than differences, like the powertrain, horsepower, fuel economy, and starting price. First of all, the 2015 Nissan Titan Crew Cab has a more powerful engine and gets 6.5 mpg less than the 2016 Ram 1500 Quad Cab Diesel. Also, the 2015 Titan Crew Cab is priced $5,625 lower compared to the base MSRP of the 2016 1500 Quad Cab Diesel. Among similarities are the body structure, ground shadow size, height, and maximum occupancy.