GMC Sierra 1500 MPG

799 GMC Sierra 1500s have provided 10.3 million miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierra 1500s currently participating in our fuel tracking program.

Recent Activity

from other GMC Sierra 1500 vehicles (View All)


engine braking

the ecm most on newer cars (fuel injected 95+) stops putting... ...

by Beto84

Read more tips