I bought the AT4 since I felt like I was getting more for the money. I did not opt for the 6.2 and the 10spd auto. I have a 5.3/8spd, duratracs, tech package, preferred package and several other options. For me the tech package and the ability to have ventilated seats is what made me buy the AT4 over the Trailboss. Personally I also like the look a lot more. I was out the door for $53,500 including my tax, title and tags (PA) with a crew cab. I looked at Trailbosses that were going out the door for a similar cost and I just couldn't justify a similar amount for what I personally saw as less. Both good trucks, just matters on what you like for styling and what you require in options.