Two Pickups with some similarities, but otherwise different in most aspects such as the powertrain, starting price, horsepower, fuel economy, and maximum occupancy. First of all, the 2017 Ford F-150 SuperCab has bigger and thirstier engine; the 2017 Ram 1500 Crew Cab Diesel gets 4.2 more mpg. Also, there is a notable difference in the starting price of the 2017 F-150 SuperCab, which is $10,000 less than the base MSRP of the 2017 1500 Crew Cab Diesel. In addition, you'll seat one more passenger in the F-150 SuperCab than in the 1500 Crew Cab Diesel. Among similarities are the body structure, ground shadow size, and height.