Android Users - Coming Soon! - Migrating from aCar 4.8 to 5.0

GMC Sierra 3500 MPG

30 GMC Sierra 3500s have provided 285 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

Top Tier Fuel not what it's pumped up to be

An additive package cannot make good fuel out of dirty, low-... ...

by Jedda

Read more tips