The fuel mileage thing, imo, is moot.
Our '17 Ram 3500 6.7l Diesel gets the same if not slightly better mileage than our '12 Ram 1500 with a 5.7l Hemi gas motor. Right at around 18mpg empty. Pretty decent for a 1 ton dually, to say the least.
If not towing with the Ram, we use the Fusion anyway
