Click here to see important news regarding the aCar App

GMC Sierra 1500 HD MPG

23 GMC Sierra 1500 HDs have provided 378 thousand miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierra 1500 HDs currently participating in our fuel tracking program.

GMC Sierra 1500 HDs For Sale Nearby

Recent Activity

from other GMC Sierra 1500 HD vehicles (View All)

Tips

Hydrogen Systems

Think twice before adding an H2O or Hydrogen system to your ... ...

by 1Jal1

Read more tips