AT4 3.0 Duramax Owners

[pseudokev]

We did the 3.0 for towing efficiency and the AT4 for the stock lift. Def don’t regret the decision as the 6.2 was so jerky. The 3.0 is nice and steady and QUIET as all get out!

 

I did do the brake upgrade which got me the 20” wheels, which is a silly thing for an “off road” truck, but let’s be honest, I won’t be rock crawling with this thing, just getting my toys to the rock crawling!

[kpromero]

Thinking of getting a 3.0L but I mostly drive city and everything is close to me. Probably   15 mile round trip to a place and home. Will this be an issue with this engine?

[monteholic]

also considering th 3.0...but with the diesel off road package to get the 3.73 gears

[OliverDennis52]

In my area, it was the opposite with most AT4's being equipped with the 3.0.  My biggest factor was the 10 speed transmission as I had two 8 speeds from 2018 and wasn't going down that route again.  The 5.3 paired with the 10 speed was basically a unicorn around here and I didn't need a 6.2.  I drove the Duramax and was immediately hooked.  

 

I took it on it's first highway run after break in last weekend and love the way it never downshifts on the hills or hunts for the right gear to stay up to speed.