May 26, 2017 · Re: 2016 RAM 2500 6.4L HEMI is a towing beast I currently have a 2015 RAM 2500 with the 6.4 and 410 gears, I love this truck and it has outstanding power. I am getting ready to upgrade to a 3500 but if we had not went to a fifth wheel that was just too heavy for the suspension I would have driven this truck until the wheels fell off.