GM HD Trucks Many with AWD instead of 4WD
Where snow and mud isn't an issue, you can have a 4X2 truck as your tow vehicle, but here in the Northeast, 4X4 trucks are the norm. Now GM is offering AWD instead of 4WD in many of their HD trucks. A...
Forum Discussion
APT wrote:
The 2020 GM HD trucks have available automatic 4WD (high range) mode. This is still a 2-speed transfer case with 2WD, Auto/4WDHi locked, and 4WD Low locked. I have something similar in my Suburban and many many of the half tons have had it for 20 years.
I use 4WD auto when the roads are partially snow covered for improved stability with the ability to turn on pavement without damage and binding.
I also have found the auto setting perfect for regular over the road driving in snow. The ability of 4x4 when slipping and no 4x4 push when making those sharper 90 degree turns.
