Looking at buying a new truck. 2020 Chevrolet 2500HD custom. Comes with 20” tires. Anyone see any problem with this if aired down to 20Lbs? My current 2009 2500 HD has 17” on it. I pull a fifth wheel Camper so that’s why the need for a 2500 HD. I know how to drive in sand but not sure the 20” will make a difference.