I have a 2018 GMC sierra 6 sp 3.43 rear 5.3 engine 2 wh drive. I cannot find the GCWR on this truck but I am contemplating a trailer with following specs - GVWR 5692, Cargo cap 1580, UVW 4112, Hitch 412. The truck factory curb wt is 5300 lbs. I will ...