Anyone using an GMC AT4 or any other GM pickup for overlanding?

ThundahBeagle

Well-known member
A number of tech related fleets used them like Diebold ATM repair contractors and other such. They swore by them.

When you put it up next to first gen Chevy Avalanche you begin to see the trend they were involved in.
 

watrboy

Observer
Have you serviced the transmission and at what intervals?

I have had the same good life from multiple GM pickups. I ran a fleet of 2500 and 3500HD pickups and we changed all the diffs, transfer case and transmission fluids at 30K, we changed belts and tension pulleys at 110K usually with the brakes at the 110K service. Can't remember being let down in the boonies in an expected life of 200k. Wasn't the cost of repairs that we feared, it was the lost opportunity of charging for our time.
But, if you take care of any brand, it will usually take care of you. Also we drove 1/3 of our miles on gravel roads.
 

Highlander

The Strong, Silent Type
GMC Sierra looks nice.
The gas 6.6 seems to be in good price range too.
The interior was design in Bantustan.

2020-gmc-sierra-2500hd_100713019_h.jpg
 

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