The truck is a new 2014 Ram 2500 with 6.4 4x4 3.73 rear end.
Will we went and picked up are 2001 313 RKS. Did a about 120 miles pulling the trailer. I am not sure what the trailer weights. I think about 7500 lbs. Truck did good you can tell it did not have the torque the diesel but it di good.
Got 15.5 with out the trailer. It did 7.5 on the Hwy. at 65 MPR and 8.4 at 55. With pulling the trailer. Lots of hills,lots of side wind and some head wind.
Over all I am pleased with the truck.