Going to be in the market for a new truck in a year or so. Been thinking about a Diesel. What are the advantages of a Diesel over a regular gas engine? I am going to be using this truck to haul a 5th wheel trailer with a small fishing boat behind that so I want something that will pull it well. I will also be using this truck to drive to work each day, about 25 miles mostly freeway speeds. Also what about a 2500 vs a 3500 pickup. I was looking at a Ford Diesel 3500 the other day that I really liked the looks off.