Have a GMC, has engine brake you can turn on and off when you want to, has integrated trailer brake which is connected to the entire truck systems, will kill sway if it occurs automatically ( not an issue with a fiver) Tows well, we have a 3582 , I get very good mileage also. Like our ford company trucks but no complaints with my GMC. Ride is much nicer than our fords when empty also. GMC in my everyday driver
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