Click here to see important news regarding the aCar App

GMC Sierra 3500 MPG

40 GMC Sierra 3500s have provided 554 thousand miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierra 3500s currently participating in our fuel tracking program.

GMC Sierra 3500s For Sale Nearby

Recent Activity

from other GMC Sierra 3500 vehicles (View All)

Tips

Old Cars W/ manual overdrive, beware!

I've noticed, particularly in cold weather, shifting my '96 ... ...

by bigdamnhero

Read more tips

×