ksss wrote:
My experience is on a '18 Duramax 3500 and I run that size tire in a NITTO EXO Grappler. My MPG took a good hit when I went to that size. They look awesome and they are excellent offroad and in snow, but it is no free ride. I know the truck is different, but you may see some of the same drawbacks. If your running 4:10's that would certainly help, but if your running a taller gear set, it will become more so with the 285's. I think I will mount up the 275's next time and see how they look and decide, it would not break my hear to go back to the 275's. I paid 1300 for the Nitto's in 285.
The ridge grapplers are excellent off road, but unless you're off road regularly,they are far too aggressive for a tow rig.