2015 Sierra Denali HD still with 6.0 w/6 speed

[redwngr]

2015 GCWR's

 

1500 6.2

3.23 - 15000

3.42 - 17700

 

2500 6.0

4.10 - 20500

[kovs]

Once you take truck weight out of there I bet your not much more capacity as truck is heavier. Maybe in wrong too

 

If they would drop in the 6.2 with 8 speed and 4.10s I bet it would be a monster towing. And you wouldn't notice much mpg difference as it would hold v4 mode way more when empty

 

 

Sent from my iPhone using Tapatalk